Chris Perry, Author

Tag: Hojo clan

  • The Third Unifier – Tokugawa Ieyasu. Part Five.

    The Third Unifier – Tokugawa Ieyasu. Part Five.

    By 1584, two years had passed since the Honnoji Incident and the death of Oda Nobunaga. His eldest son, Nobutada, had died alongside him at Honnoji, leaving several younger sons as potential successors. The problem was that none of these sons had much in the way of military resources with which to stake their claim, and they quickly formed alliances, or else became puppets of Nobunaga’s more powerful retainers, most notably Toyotomi Hideyoshi (still going by Hashiba at this time) and Shibata Katsuie.

    Hideyoshi carries Sanboshi during the Kiyosu Conference.

    In the immediate aftermath of Honnoji, a conference was held at Kiyosu Castle to decide which son would inherit his father’s lands. In the event, Hideyoshi used his influence to ensure that Nobunaga’s grandson, the three-year-old Hidenobu (also called Sanboshi), would be named as the new head of the Oda Clan, whilst Nobunaga’s territories were divided up between his remaining sons and most powerful retainers.

    It will come as no surprise that Nobunaga’s surviving adult sons were not thrilled about this, and it wasn’t long before rival camps were forming around one son or another. Initially, despite his earlier support of Sanboshi, Hideyoshi decided to back Nobunaga’s second son, Oda Nobuo, whilst Katsuie supported the third, Nobutaka.

    Oda Nobuo (left) and Oda Nobutaka, brothers, but rivals for their father’s position.

    Despite nominally supporting one Oda heir or the other, in reality, the rivalry was between Hideyoshi and Katsuie, and tensions rose sharply until the Battle of Shizugatake in June 1583. There, Hideyoshi won a decisive victory, and shortly afterwards, Katsuie and Nobutaka committed suicide, removing a serious obstacle on Hideyoshi’s road to power.

    Despite being on the ‘winning’ side, it wasn’t long before Oda Nobuo fell out with Hideyoshi, and in early 1584, he went looking for support. It’s at this point that Tokugawa Ieyasu reenters the story. Despite trying to stay on good terms with Hideyoshi, sending him congratulatory gifts after his victory at Shizugatake, for example, it was becoming obvious that Ieyasu was too powerful for Hideyoshi to simply leave alone.

    A 19th-century depiction of the Battle of Shizugatake

    The flashpoint came in March 1584, when Nobuo had a retainer who had been colluding with Hideyoshi executed. Using this pretext, Hideyoshi raised an army and marched on Nobuo, who appealed to Ieyasu for help. Ieyasu obliged and dispatched forces into Nobuo’s home province of Owari.

    What followed was what history records as the Battle of Komaki-Nagakute, which is misleading because it was actually a series of battles, only two of which took place anywhere near the eponymous locations. The momentum of the campaign swung back and forth throughout the spring and summer. Despite a considerable advantage in resources, Hideyoshi was unable to bring them to bear, resulting in a stalemate.

    An 18th-century depiction of the Battle of Komaki-Nagakute. Despite the name, it was actually a series of battles fought across central Japan.

    With success on the battlefield impossible, both sides sought diplomatic support from other clans, with Ieyasu reaching out to the Hojo and Chosokabe, whilst Hideyoshi gained the support of the Uesugi, Mori, and Satake. Even with these allies, the stalemate persisted, and the only option was to negotiate, and both sides sat down to talk in November.

    Though he had not achieved a military victory, the negotiations favoured Hideyoshi; he forced Nobuo to submit and cede several territories, whilst those who had supported Ieyasu found themselves either isolated or also forced to submit to Hideyoshi. Ieyasu himself retained his territories and arranged for his son, Hideyasu, to be adopted by Hideyoshi, though only sources favourable to the Tokugawa call it an adoption; Hideyoshi’s partisans describe Hideyasu as a hostage.

    Ieyasu’s son, Hideyasu. Whether he was an adopted son or a hostage depends on who you ask.

    The fact that Ieyasu had been able to force a stalemate against heavy odds is a noteworthy military achievement in itself, but it is made all the more remarkable by the fact that, throughout 1583-85, his territories had been subject to extraordinary rainfalls, which had led to flooding and the consequent devastation to infrastructure and food supplies.

    The Battle of Komaki-Nagakute could not be considered a ‘victory’ for either side, but Hideyoshi was clearly in the ascendancy, and Ieyasu’s resources had been strained to the brink by years of flood, famine, and war. Then, in 1586, the massive Tensho Earthquake struck, causing catastrophic damage across central Japan, striking both sides’ lands equally. Though his superior resources meant that Hideyoshi was probably better positioned to recover, he had bigger plans. Instead of attempting to crush Ieyasu a second time, he tried a different tack.

    The theorised intensity scale of the 1586 Tensho Earthquake.
    As6022014 – 宇佐美龍夫 『最新版 日本被害地震総覧 416‐2001』 , Lincun(2010)ファイル:地図 令制国 和泉国.svg, CC 表示-継承 3.0, https://commons.wikimedia.org/w/index.php?curid=18458686による

    Using Oda Nobuo as an intermediary, Hideyoshi attempted to convince Ieyasu to submit. Initially refusing, Ieyasu was finally convinced by an offer of marriage to Hideyoshi’s younger sister, Lady Asahi. Some sources suggest that Hideyoshi forced his sister to divorce her husband so the marriage could take place, whilst others suggest she was already divorced, or else her husband was dead. Either way, given that Lady Asahi was already in her 40s by the time the marriage took place, it was clearly a match made for political rather than dynastic reasons.

    A marriage like that may seem strange to our modern eyes, but it was generally seen as a politically savvy move, as it bound Ieyasu and Hideyoshi together as family. Shortly after the wedding, Ieyasu travelled to Osaka and formally submitted to Hideyoshi as his vassal and brother-in-law. Later Tokugawa sources suggest that on the night of his arrival in Osaka, Ieyasu was secretly visited by a nervous Hideyoshi, who was still unsure whether he truly meant to submit. The meeting is probably apocryphal, but Ieyasu certainly swore loyalty to Hideyoshi in an elaborate ceremony shortly afterwards.

    Lady Asahi, whose marriage to Ieyasu bound him and her elder brother, Hideyoshi, together. The fact that she was around 44 years old when they married was no obstacle.

    Later in 1586, Ieyasu moved his base to Sunpu, which was more central to his domains and better positioned to monitor peace in the Kanto region on Hideyoshi’s behalf. For the next few years, Ieyasu proved himself a loyal retainer. In 1590, when tensions between the Hojo and Hideyoshi began to rise, he attempted to act as a mediator, since he was father-in-law to Hojo Ujinao.

    Ieyasu’s diplomatic efforts bore some fruit, with the Hojo sending Ujinao’s uncle, Ujinori, to Kyoto to negotiate with Hideyoshi. However, Ujinao himself refused to come, and Hideyoshi was determined to either force the Hojo to submit or be destroyed. Later scholars suggest that Ieyasu’s position with the Hojo might have been deliberately undermined by rumours that he stood to benefit from their defeat, as he had been promised the eight provinces of the Kanto in exchange for the five he currently controlled, in the event of the Hojo being removed.

    The situation just before the Odawara Campaign. Ieyasu stood to gain control of the territory of the Hojo (green) in the event of their defeat, a fact that may have put a damper on previously good Tokugawa-Hojo relations.
    By Alvin Lee – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=39214209

    Ieyasu denied the rumours, and their exact impact on negotiations is controversial, but Tokugawa forces served Hideyoshi in the vanguard of what became known as the Odawara Campaign that saw the Hojo decisively defeated, and Ieyasu received the eight Kanto provinces as the rumours had suggested he would.

    Precisely why Hideyoshi offered these provinces to Ieyasu is still debated. It was certainly true that Ieyasu was in no position to refuse the offer, and taking possession of these new lands effectively doubled his income, at least on paper. On the other hand, the provinces had been Hojo territory for generations, and the local lords would prove difficult to control, not to mention the damage caused by the recent campaign.

    Edo Castle as it appeared in the 19th Century. The site was underdeveloped when Ieyasu arrived in 1590, but it would eventually grow to become the centre of his dynasty’s power.

    Some suggest that Hideyoshi genuinely believed in Ieyasu’s abilities to bring the region under control. Others conclude that his real intention was to separate Ieyasu from his power base in Mikawa. Either way, it would prove a fateful decision, perhaps best exemplified by the fact that Ieyasu’s chosen base, Edo Castle, is the site of the Imperial Palace in modern Tokyo.

    Sources
    https://ja.wikipedia.org/wiki/%E5%BE%B3%E5%B7%9D%E5%AE%B6%E5%BA%B7
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    https://ja.wikipedia.org/wiki/%E7%B9%94%E7%94%B0%E7%A7%80%E4%BF%A1
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  • The Third Unifier – Tokugawa Ieyasu. Part Four.

    The Third Unifier – Tokugawa Ieyasu. Part Four.

    The Battle of Nagashino in 1575 had been one of the most significant battles of the later Sengoku Jidai. The military power of the once mighty Takeda clan had been broken, and Tokugawa Ieyasu, formerly a largely independent warlord, effectively became a vassal of Oda Nobunaga.

    The strategic situation in 1575, with Tokugawa lands in light blue (circled).
    By Alvin Lee – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=39198356

    Between 1575 and the early 1580s, Ieyasu consolidated his position in the recently conquered territory, and the Takeda, under the leadership of Katsuyori, focused on holding together what they had, seeking diplomatic support from other clans in the Kanto and even a rapprochement with their historic enemies, the Uesugi Clan.

    It will probably not surprise you to learn that this period of relative peace was not particularly peaceful at all, with low-level skirmishing occurring along the borders, but it wasn’t until 1581 that full-scale war broke out again, when Ieyasu took the strategically important Takatenjin Castle in Totomi Province.

    The site of Takatenjin Castle as it appears today.
    立花左近 – 投稿者自身による著作物, CC 表示-継承 3.0, https://commons.wikimedia.org/w/index.php?curid=29796111による

    The fall of the castle was a problem in and of itself, but in the aftermath, the Takeda, already severely weakened, did nothing. Historians have argued that the failure to challenge the loss of such an important castle led many lords to conclude that the Takeda were finished and that their leader, Katsuyori, could no longer protect them.

    Consequently, when the Oda-Tokugawa forces launched their final attack on the Takeda in February 1582, resistance was short-lived, as lords defected en masse, forcing Katsuyori to first retreat, and then flee, before he was trapped and forced to commit suicide at Tano in March.

    A 19th-Century depiction of Takeda Katsuyori’s final moments.

    In the aftermath of this campaign, Ieyasu was awarded complete control of Suruga Province. When Nobunaga embarked on a tour of his new conquests, Ieyasu laid on luxurious entertainment along the route, even going so far as to refurbish the road and have tea houses specially constructed to receive the Great Lord’s retinue.

    In May 1582, Ieyasu arrived at Nobunaga’s base at Azuchi to pay tribute in gratitude for Suruga Province. At the same time, Toyotomi Hideyoshi (still known as Hashiba at this point) called for reinforcements for his ongoing campaign against the Mori. Nobunaga announced his intention to lead the campaign personally, intending to do to the Mori what he had recently done to the Takeda.

    The situation in 1582, just prior to the Honnoji Incident.
    By Alvin Lee – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=39198356

    For his part, Ieyasu planned to return to Mikawa first, gather his forces, and then join the campaign later. As part of his journey, Ieyasu stopped in Sakai (in modern Osaka) for what the sources described as “sightseeing”. He was in Sakai when news arrived of the Honnoji Incident and Nobunaga’s death.

    Ieyasu, attended by just a few retainers, was now in mortal danger. At this point, he seems to have lost his head somewhat and tried to head to Kyoto to avenge Nobunaga, or else join him in death (which would have been the likely outcome regardless). Fortunately for Ieyasu, cooler heads prevailed, and he was convinced instead to attempt to escape.

    An example of what the passes of Iga look like today.

    What followed was a much-celebrated (and often mythologised) journey from Sakai to safety in Mikawa. He was aided in his efforts by the legendary retainer Hattori Hanzo, who was a fairly remarkable man in his own right, but not the magical ninja of later legend. It is said that Ieyasu escaped back to Mikawa with just 34 retainers, but they represented the elite of the Tokugawa Clan, and their loss would have been a mortal blow.

    However, Ieyasu successfully escaped and set about gathering his forces to march on the traitor Akechi Mitsuhide and avenge Nobunaga’s death. News soon arrived that Mitsuhide had been killed, and Nobunaga avenged by Toyotomi (Hashiba) Hideyoshi, so, with no enemy to fight or vengeance to take, Ieyasu went home.

    Toyotomi Hideyoshi.

    His respite would be short-lived, however. In the chaotic aftermath of Nobunaga’s death, the recently conquered Takeda territories erupted into rebellion, and it wasn’t before any semblance of order was gone. Seeking to take advantage, the mighty Hojo Clan marched an army of 60,000 into the provinces, which were now largely up for grabs.

    Despite some initial setbacks, the sheer size of the Hojo force meant that they were able to quickly conquer large parts of Kozuke, Kai, and Shinano Provinces. Ieyasu had plans of his own for that territory, and besides, he couldn’t allow the Hojo to establish what would likely have been an insurmountable power base right on his doorstep.

    Hojo Ujimasa. His attempts to establish control over the former Takeda territories provoked a response from Ieyasu.

    What followed became known as the Tensho-Jingo War, characterised by both sides attempting to assert their influence over the scattered remnants of former Takeda loyalists. There was relatively little direct conflict between the two sides, with the exception of the Battle of Kurokama in August 1582, where a force of some 10,000 Hojo warriors attempted to cross the Misaka Pass into Kai, where they were intercepted and decisively defeated by a Tokugawa force only a fifth their size.

    Despite this shock outcome, neither side seems to have had much enthusiasm for fighting each other. A peace was quickly agreed upon that recognised Tokugawa control over Kai and Shinano, in exchange for Hojo dominance in Kozuke and for Ieyasu’s daughter, Tokuhime, as wife to Hojo Ujinao, uniting the two clans in a political and dynastic alliance.

    The situation in early 1584, showing just how far Ieyasu had risen in little more than a decade.

    Peace with the Hojo secured Ieyasu’s eastern border and left him in total control of three provinces, Kai, Suruga, and Totomi, and almost total control of two more, Mikawa (except the far west) and Shinano (except the far north). Less than a decade earlier, Ieyasu had looked like he was on the way out, but now, he was one of the most powerful warlords in the realm.

    That power was far from unchallenged, though. History tells us that Toyotomi (Hashiba) Hideyoshi was the man to inherit Nobunaga’s power and go on to reunite the realm. However, in the autumn of 1582, there were actually several possible candidates to succeed. Though most would quickly fall in line, or be crushed, by the dawn of 1583, apart from Ieyasu and Hideyoshi, there was another man, Shibata Katsuie, who potentially had the power to claim it all.

    Shibata Katsuie. Apart from Ieyasu, he was the most serious rival to the rise of Hideyoshi.

    Ieyasu rather wisely kept himself out of the inevitable clash. When Hideyoshi defeated Katsuie at the Battle of Shizugatake in June 1583, Ieyasu was amongst those who were quick to send formal congratulations to Hideyoshi, seeking to keep on good terms with the realm’s new top dog.

    It wouldn’t last, however. The simple truth was that Ieyasu was too powerful to be left unchecked, and tensions began to rise almost as soon as Katsuie had been defeated, until the Spring of 1584, when Hideyoshi set out to deal with Ieyasu once and for all.

    Sources
    https://ja.wikipedia.org/wiki/%E5%BE%B3%E5%B7%9D%E5%AE%B6%E5%BA%B7
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  • The Second Unifier – Toyotomi Hideyoshi. Part Six.

    The Second Unifier – Toyotomi Hideyoshi. Part Six.

    The mon of the Toyotomi Clan.

    By the late 1580s, Hideyoshi was at the very pinnacle of political and military power in Japan. Jesuit records from the time name him “tyrant” and suggest that he has achieved more power over the realm than any warlord before him.

    After the successful conclusion of the Kyushu Campaign, Hideyoshi ordered a new palace built in Kyoto. Called Jurakudai (or Jurakutei in some sources), Toyotomi moved his political base there from Osaka Castle in early 1588, inviting the Emperor Go-Yozei for a feast in April 1588 and obliging powerful Daimyo (such as Tokugawa Ieyasu) to travel there and pay homage to him.

    An image of the Emperor visiting Jurakudai.

    Having secured personal political power, Hideyoshi then turned his attention to pacifying the realm at large. Through his military campaigns, he had subdued most of the powerful Daimyo in the realm, but there remained the issue of establishing peace at the local level as well.

    The Sengoku Jidai exists in the popular imagination as more than a century of conflict, featuring epic clashes between armies of Samurai loyal unto death, and iconic lords like Takeda Shingen, Oda Nobunaga, and Uesugi Kenshin, who were locked in a titanic struggle for ultimate control of the realm.

    Uesugi Kenshin and Takeda Shingen engaged in a duel that probably never happened but remains an enduring, if inaccurate, image of the Sengoku-era battlefield.

    Whilst there is certainly truth to this image, much like any period of civil war, Japanese society at large had become incredibly violent during the 16th century. At the local level, the decentralised nature of Daimyo rule led to the emergence of Jizamurai, literally “Local Samurai”. These men often started out as armed peasants, usually levied into the armies of some local lord, and sent home again when the campaign ended.

    Throughout the 16th century, these Jizamurai gradually achieved military and political influence over their local communities, often being allowed to collect tax revenue on behalf of their lord in exchange for military service, similar to a Knightly Manor in medieval Europe.

    This situation worked fine whilst the realm was fractured into dozens of minor domains, but as consolidation followed conquest in the latter half of the 16th century, tensions between “Samurai” and “Jizamurai” became more of an issue. When a lord was defeated, he was usually killed or deprived of his land, meaning that the Jizamurai would often find themselves serving a new lord to whom they had no personal loyalty, leading to frequent conflicts.

    Ashigaru on campaign. By the late 16th century, the distinction between Warrior and Peasant was often unclear to the point of being non-existent.

    On a societal level, the distinction between Jizamurai and peasants was often academic. Though technically of a higher social status, a Jizamurai usually lived in the village, amongst the peasantry, who would themselves often have access to weaponry and a far greater loyalty to their local Jizamurai than to some powerful Daimyo whom they never saw.

    This led to frequent Peasant Uprisings throughout the Sengoku Period, most famously the Ikko-Ikki, who were motivated by religious fervour but were largely made up of peasants and Jizamurai. It wasn’t just political violence; feuds between villages were common and often escalated into violence, as rival communities would quickly resort to the sword to settle disputes over territory, waterways, and other local matters.

    In 1587, Hideyoshi passed a law forbidding the use of force to resolve such disputes. Though the exact wording of the law has been lost, by looking at the wording of laws from the later Edo Period, which often referred to ‘precedents’ (i.e., earlier laws), we can infer what Hideyoshi’s decrees may have looked like.

    If any villagers or other people in a village engage in a dispute over mountains or waters, using bows, spears, or guns to fight amongst themselves, that entire village shall be punished. – From a decree by Shogun Tokugawa Hidetada -1610

    Scholars debate exactly what Hideyoshi intended with this law, with some suggesting that he meant to disarm and pacify the peasants, whilst others say it was more to do with establishing who had weapons, and who had the right to weapons, part of an ongoing centralisation campaign in which a clearer line was to be drawn between Warrior and Peasant.

    In 1589, Hideyoshi celebrated the birth of a son, Tsurumatsu, whom he swiftly named as his heir, securing his dynasty for the foreseeable future. The following year, after a series of political slights, he launched a decisive campaign against the Hojo, lords of the Kanto, crushing them in the Odawara Campaign.

    A later, heavily stylised depiction of Hideyoshi’s son, Tsurumatsu.

    Also in 1590, he crushed the defiant clans of Northern Japan in a swift campaign, and it is at this point that the “Sengoku Jidai” is said to have come to an end. For the first time in more than a century, the country was under the control of one man, and the realm would never again fracture as it once had. Despite this, one decision made by Hideyoshi in the aftermath of the Odawara Campaign had already sown the seeds of his clan’s ultimate downfall.

    With the destruction of the Hojo, Hideyoshi offered the five provinces of the Kanto to Tokugawa Ieyasu, in exchange for the three he had originally ruled. At the time, this move was seen as political savvy. It positioned the potentially rebellious Ieyasu farther from Kyoto, and though the five Kanto provinces were nominally richer than the three Ieyasu had given up, they had recently been conquered and were potentially volatile, meaning the move weakened Ieyasu in the short term.

    Tokugawa Ieyasu.

    Hideyoshi, however, had not considered Ieyasu’s political and economic acumen. His base in the Kanto would eventually serve as a springboard for his own rise to power, demonstrated perhaps most clearly by the fact that Japan’s modern capital, Tokyo, is on the same site as Ieyasu’s was, more than 430 years after he moved there, but we’re getting ahead of ourselves.

    The threat from Ieyasu was not Hideyoshi’s only concern, however. In 1591, his brother, Hidenaga, who had proven to be an extremely competent commander and political ally, died in February, followed by his son and heir, the two-year-old Tsurumatsu, in September of the same year.

    Toyotomi Hidenaga

    Following these deep personal and political blows, Hideyoshi adopted his nephew, Hidetsugu, and then retired, handing control of the clan over to him. As was common at the time, Hideyoshi retained true political power; however, becoming known as the Taiko, a title of respect for former regents.

    Also in 1591, with Japan secured, Hideyoshi announced his intention to invade China, launching a brutal invasion of Korea to use it as a base for his main objective. We’ll give the Korean Wars their own post, but for now, we can say that the invasions both highlighted Hideyoshi’s power and brought about political divisions that would ultimately destroy his legacy.

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  • The Second Unifier – Toyotomi Hideyoshi. Part Five.

    The Second Unifier – Toyotomi Hideyoshi. Part Five.

    In 1586, the powerful Tensho Earthquake brought about a temporary halt to Hideyoshi’s campaign to subdue the entire realm. In the aftermath, he had made peace with, then accepted the formal submission of Tokugawa Ieyasu, and now turned his attention to Japan’s southern island, Kyushu.

    Kyushu.

    As we’ve looked at in previous posts, the most powerful clan in Kyushu at this time were the Shimazu, who were on the verge of conquering the entire island, and were putting enormous pressure on their long-term rivals, the Otomo, who reached out to Hideyoshi for help. Hideyoshi responded by issuing a ceasefire order, the sobujirei, though scholars disagree if this was an order issued on a case-by-case basis, or a formal law brought in my Hideyoshi.

    Regardless of the legal basis, the Otomo swiftly agreed, but the Shimazu remained defiant, with the head of the clan, Shimazu Yoshihisa, going as far as suggesting that the Shimazu, a clan with its long and proud lineage, would never submit to a peasant ‘upstart’ like Hideyoshi. Perhaps unsurprisingly, Hideyoshi didn’t take kindly to this and so ordered the invasion of Kyushu, officially in support of the Otomo.

    A statue of Shimazu Yoshihisa. He was the head of a proud clan and believed he had no reason to fear the ‘upstart’ Hideyoshi. He would be proved wrong.
    Ginger1192 – 投稿者自身による著作物, CC 表示-継承 3.0, https://commons.wikimedia.org/w/index.php?curid=24854517による

    At first, Hideyoshi seems to have tried to avoid committing his own troops to the invasion, instead relying on forces provided by the Mori, Chosokabe and their vassals to do the bulk of the fighting. This strategy may have been wise from a manpower preservation point of view, but the Shimazu proved more than capable of living up to their lineage, defeating the initial landings and giving Hideyoshi the proverbial bloody nose in the process.

    Much like the independent clans of Kii Province and the Chosokabe of Shikoku, however, the Shimazu were about to learn that Hideyoshi was a different kind of ruler, able to marshal resources that even the might of Kyushu could not hope to match. Taking the field himself, Hideyoshi is said to have amassed an army of some 300,000, with all the requisite supplies and resources to support such a massive force.

    Ashigaru. Far from the popular image of massed ranks of ferocious samurai, armies in the late Sengoku Period were largely made up of semi-professional troops armed with firearms, spears, and mass-produced swords.

    This was possibly the largest army ever assembled in Japan before the modern era (though sources vary), and the Shimazu were swiftly overwhelmed. It is important to note that, despite the overwhelming advantage in numbers, Hideyoshi’s force was not a single, massive bludgeon. He had proven himself a skilled strategist, able to deploy significant force in key areas, using innovative tactics to wear down defenders and capture strategic castles and other territory, rarely relying on brute force to break enemy forces.

    The Shimazu, much like the Chosokabe before them, fought bravely, but they were outmatched from the start, and eventually, Yoshihisa, who had claimed his clan would never submit to an ‘upstart’, was forced to seek peace. The terms were harsh; the Shimazu were forced to give up almost all of Kyushu, and were confined to Satsuma Province in the southwest of the island (in the western half of modern Kagoshima Prefecture).

    Satsuma Province.
    By Ash_Crow – Own work, based on Image:Provinces of Japan.svg, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=1691755

    The rest of Kyushu was divided up amongst Hideyoshi’s supporters, with the Otomo (who the invasion had nominally been in support of) receiving some, but not all of their lands back.

    It is at this point that Hideyoshi turned his attention to a group that have only been briefly mentioned thus far, but who had a significant presence on Kyushu, the Jesuits. We’ll have a detailed look at Portuguese activities in Japan in their own post, but to summarise, after the first arrival of Portuguese merchants in Japan in 1543, they had slowly, but steadily expanded their influence through commerical interests, and the spread of Christianity, ultimately being based at the port of Nagasaki.

    A contemporary depiction of a Portuguese trading ship of a type commonly seen at Nagasaki.

    Outside of Kyushu, the attitude of powerful Daimyo towards these Christians seems to have been fairly ambivalent, with most tolerating their presence, but few converting to the foreign religion. Hideyoshi himself issued permits for Christian priests to preach their religion in Osaka, and, according to some sources, he asked Jesuit Priest Gaspar Coelho to assist him in building an armada to be used in the conquest of China once Japan had been unified.

    This changed after the subjugation of Kyushu. Sources differ on exactly what occurred, with some blaming the machinations of the native Japanese Buddhist clergy, but the short version is that Hideyoshi became aware of the fact that Nagasaki had effectively been handed over to complete Portuguese control. They had fortified it and were apparently using it as a port through which non-Christian Japanese were sold out of the country as slaves.

    A contemporary image of Portuguese at Nagasaki. Though the trade was primarily in silks, spices, and silver, rumours of Japanese slaves being transported out of the country were enough to earn Hideyoshi’s ire.

    The issue of Japanese being sold as slaves by Portuguese merchants remains controversial (surprise, surprise), with debates raging over the extent of the practice and how involved the Japanese themselves were. There are contemporary sources which indicate that Japanese slaves could be found across Asia, and the concept of ‘unfree labour’ was already well established in Japan at this time, ranging from effective serfdom to labourers convicted to a term of service as punishment for a crime.

    Another issue is that one of the primary sources describing Portuguese involvement in slavery also describes them as a people that skin cows and horses alive, and eat the meat raw with their bare hands, suggesting that the purpose of such ‘records’ was more about demonising the Portuguese than recording actual events.

    A contemporary depiction of Portuguese in Japan. Though not all sources paint them in a negative light, the foreign visitors were often looked on as strange and even barbarous by comparison.

    Regardless of how extensive the trade was, it provided a convenient enough excuse for Hideyoshi to act. Though highlighting the fortifications at Nagasaki, and the selling of Japanese as slaves, modern historians more generally agree that the move against the Christians was more about consolidating power, as Hideyoshi believed that Christian theology was a direct threat to the traditional Japanese belief in a divine Emperor, from whom Hideyoshi’s power ultimately derived.

    Another theory is that Hideyoshi wanted to control trade with the West, believing (erroneously) that the trade was controlled by the Jesuits, when in reality, religious and commercial interests were separate, and often in conflict (the Jesuits, for example, actively opposed enslaving Japanese) This theory suggests that Hideyoshi hoped that removing the priests would allow him to take direct control of the trade.

    A contemporary image of a Christian Mass in Japan. Hideyoshi believed that the priests controlled the merchants.

    Whether he was motivated by political, religious, or economic reasons (or all three), Hideyoshi issued what became known as the Bateren expulsion order (bateren being the Japanese word for Christian priests, derived from the Latin Patren) in 1587. What followed was a brief campaign of repression against Christianity; the Jesuit base in Kyoto was burned, and territory around Nagasaki was seized.

    Ultimately, however, Hideyoshi seems to have largely ignored his own order, keeping several Christian priests as interpreters and scribes, and allowing trade to continue practically unmolested. For now, at least, Hideyoshi had bigger problems than Christian priests.

    Hojo Ujinao

    Sources
    https://ja.wikipedia.org/wiki/%E8%B1%8A%E8%87%A3%E7%A7%80%E5%90%89
    https://ja.wikipedia.org/wiki/%E4%B9%9D%E5%B7%9E%E5%B9%B3%E5%AE%9A
    https://ja.wikipedia.org/wiki/%E3%83%90%E3%83%86%E3%83%AC%E3%83%B3%E8%BF%BD%E6%94%BE%E4%BB%A4
    https://ja.wikipedia.org/wiki/%E4%B9%9D%E5%B7%9E%E5%9B%BD%E5%88%86
    https://ja.wikipedia.org/wiki/%E6%83%A3%E7%84%A1%E4%BA%8B%E4%BB%A4
    https://en.wikipedia.org/wiki/Slavery_in_Japan

  • The Second Unifier – Toyotomi Hideyoshi. Part Four.

    The Second Unifier – Toyotomi Hideyoshi. Part Four.

    Despite an ultimately unsuccessful campaign against Tokugawa Ieyasu, by late 1584, Hideyoshi was the most powerful man in the realm. Having secured his position as Oda Nobunaga’s successor, he dominated central Japan and could call on economic and martial resources that dwarfed those of his rivals.

    The strategic situation in late 1584, Hideyoshi controlled the territory in red.
    By Alvin Lee – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=39198357

    Despite this, he was not yet unchallenged. To the west, the Mori remained undefeated, to the east, was Tokugawa Ieyasu, and further away, the Hojo, who had remained untouched by Nobunaga’s conquests, and to the south, in Kii Province, the locals coalesced around fiercely independent religious and social movements that resisted any attempts to impose central rule.

    Meanwhile, Hideyoshi solidified his political power, being elevated to the Third Rank of the nobility in November 1584 and to the Second Rank in March 1585. Around this time, some sources suggest that the Imperial Court even went so far as to offer him the title of Shogun, only for Hideyoshi to refuse, though the exact nature of the offer, if it existed at all, is unclear.

    Kii Province.
    By Ash_Crow – Own work, based on Image:Provinces of Japan.svg, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=1683109

    With his position secured, Hideyoshi turned his attention to Kii Province. We’ve spoken about the power of certain religious institutions before, and nowhere was this more apparent than in Kii (sometimes called Kishu). Luis Frois, a well-known Portuguese writer at the time, referred to the area as under the control of five “Great Republics”, which weren’t democracies in the way we’d recognise today, but were strongly independent polities with extensive territories, economic might, and military strength.

    In 1570, Nobunaga began what would prove to be a long campaign against the power of the Ikko-Ikki, based at Honganji Temple. The warrior monks of Kii Province were a key ally of the Ikko-Ikki, and in 1576, Nobunaga dispatched an army against them, aiming to reduce their ability to support his enemies elsewhere.

    A semi-contemporary depiction of Nobunaga’s attempts to subdue Kii Province.

    Despite being defeated on the battlefield, the warriors of Kii engaged in guerrilla warfare, led most famously by the Saika-shu, an organisation made up of local samurai and mercenaries, which was well known for its heavy (and skilful) use of firearms. Nobunaga eventually signed a peace treaty and withdrew, allowing his enemies to claim that they had actually defeated him.

    Nobunaga’s death in 1582 put an end to any further campaigning, and for a time, at least, Kii Province was left alone, though no one believed the peace would last. In early spring 1586, Hideyoshi, at the head of an army of some 100,000 men, invaded with the intention of crushing the independent ‘Republics’ for good.

    A depiction of Hideyoshi’s attack on Kii Province.

    The campaign was a true demonstration of Hideyoshi’s new power. Though the Saika-shu and others fought bravely, they were swiftly overwhelmed. Some scholars speculate that the Saika and their allies underestimated Hideyoshi. In the earlier Sengoku Period, it had often been enough to inflict heavy casualties in an initial battle, which would force the attackers to either negotiate or back off.

    These tactics had worked against Nobunaga, who had ultimately been unable to secure decisive control over Kii, for fear of tying down too many men. Hideyoshi had no such hesitation, and even though his losses were heavy, he kept pushing on, and the Saika, who were often hugely outnumbered, were swept aside.

    Firearms of the type used effectively, but ultimately unsuccessfully by the Saika-shu.

    Hideyoshi was able to secure control of Kii in the short term, but his hold over it was always fragile, and there would be several more outbreaks of rebellion in the coming years. In fact, it wouldn’t be until 1614, long after Hideyoshi had passed away, that Kii could be truly said to have been pacified.

    After this, Hideyoshi turned his attention to Shikoku and the powerful Chosokabe Clan. Once allies of Nobunaga, the Chosokabe had fallen foul of his ambitions and had been under threat of invasion at the time of his death at Honnoji.

    Shikoku.
    By TUBS – This vector image includes elements that have been taken or adapted from this file:, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=16385942

    An army under Nobunaga’s third son, Nobutaka, had been gathered at Sumiyoshi (in modern Osaka) with the purpose of attacking Shikoku; in fact, they had been meant to set out on the same day that Nobunaga was killed, and news of his death demoralised the army, some of which simply went home.

    In the aftermath of Nobunaga’s death, the Chosokabe had consolidated control of all of Shikoku and lent support to opponents of Hideyoshi, notably Shibata Katsuie, Tokugawa Ieyasu, and the Saika-shu of Kii Province. None of these enemies had been able to overcome Hideyoshi, however, and it was probably no surprise when he turned his vengeful eye on the Chosokabe themselves.

    Chosokabe Motochika, Lord of the Chosokabe at the time of Hideyoshi’s invasion.

    There were some attempts at negotiation, but Hideyoshi’s demands that the Chosokabe give up three of the four provinces of Shikoku were unacceptable. The strategic situation for the Chosokabe was made worse when the Mori, one-time antagonists of Hideyoshi, instead made a permanent peace with him. Some sources suggest that it was at this point that the Mori submitted to Hideyoshi outright.

    With the support of the Mori and their powerful navy, Hideyoshi launched a three-pronged attack on Shikoku, which the Chosokabe were hard-pressed to oppose. Outnumbered some 3 to 1, the Chosokabe fought bravely, but the campaign was over quickly. From June to August 1585, there was a series of battles and sieges that invariably resulted in Chosokabe defeat.

    A 19th-century depiction of the Invasion of Shikoku.

    Eventually, despite claiming he would rather fight to the end, Chosokabe Motochika surrendered at the urging of his senior vassals. As punishment for his defiance (or reward for his surrender), Hideyoshi confiscated three of the four Shikoku Provinces, leaving the Chosokabe with their home province of Tosa and an obligation to provide Hideyoshi with up to 3,000 troops for any future campaign and hostages to ensure the peace.

    During the Shikoku Campaign, which was led by his brother, Hideyoshi was appointed Kampaku by the Imperial Court. This was a result of a political crisis that had been ongoing since before Nobunaga’s death in 1582. At the time, the Imperial Court had (allegedly) invited Nobunaga to become Shogun, or Kampaku (Regent). Both contemporary and modern scholars disagree on Nobunaga’s response to this offer, but his death in June of that year ultimately rendered it moot.

    Emperor Go-Yozei, who was the sovereign during this time.

    What followed was a drawn-out political squabble between rival factions at court over who would ultimately take the position of Regent. We’ve spent a lot of time looking at how the Imperial Court was a decorative but ultimately impotent organisation by this point, and any title the Emperor might bestow would be largely symbolic without any external political power to back it up.

    Into this silk-clad quagmire stepped Hideyoshi. Traditionally, the position of Regent had rotated amongst five prestigious warrior families, of which Hideyoshi was not a member. To overcome this issue (which was one of tradition, rather than law), he was formally adopted as the son of Konoe Sakahisa (who was less than a year older than him) in July 1585, being named Kampaku shortly afterwards.

    Konoe Sakahisa, who formally adopted Hideyoshi.
    Leehiroki258 – 投稿者自身による著作物, CC 表示-継承 4.0, https://commons.wikimedia.org/w/index.php?curid=162775880による

    There was supposedly an agreement in which the childless Hideyoshi would take the position as a temporary solution to the crisis, before handing it over to the Konoe family’s chosen heir at a later date. Hideyoshi had other ideas, however. In 1586, he petitioned the Emperor for a new family name, which the Emperor duly bestowed. From then on, Hideyoshi would be known as Toyotomi Hideyoshi, the name by which he is best remembered in English sources.

    Hideyoshi would then adopt the Emperor’s younger brother, Prince Hachijo, as his son and eventual successor. This was a clear breach of the agreement with the Konoe, but since Hideyoshi was the most powerful man in the realm, and the proposed heir was a member of the Imperial Family, there was nothing anyone could do about it.

    Prince Hachijo

    Hideyoshi went further, seeking to replace the powerless Imperial aristocracy with a new “Samurai Nobility”. For centuries, the ‘Nobles’ had held all the prestige, but practically none of the actual power, which was in the hands of the Samurai after long years of civil war.

    Hideyoshi sought to address this by bestowing titles on some of the other powerful Daimyo, including Tokugawa Ieyasu and Ishida Mitsunari, appointments that would have long-term political repercussions.

    Ishida Mitsunari, we haven’t talked about him much, but he’s going to become very important later.

    Another attempt was made to force obedience from Ieyasu when Hideyoshi demanded that he hand over hostages to ensure ongoing peace. Ieyasu refused, and Hideyoshi began planning a large-scale military campaign to finally bring Ieyasu to heel. The massive Tensho Earthquake in January 1586 caused severe damage to Hideyoshi’s capital at Osaka and several other castles and staging areas, bringing an end to the plans, and causing Hideyoshi to adopt a more conciliatory policy towards Ieyasu.

    A monument at the site of Kaerikumo Castle, which was destroyed in a landslide during the 1586 earthquake. The evidence of the landslide can be seen on the hill in the background.

    Later that year, Ieyasu would marry Hideyoshi’s younger sister, Princess Asahi, and he would later travel to Kyoto and swear allegiance to Hideyoshi as Regent. Despite this nominal submission, Hideyoshi had failed to subdue Ieyasu, whose military power remained intact.

    Sources
    https://ja.wikipedia.org/wiki/%E8%B1%8A%E8%87%A3%E7%A7%80%E5%90%89
    https://ja.wikipedia.org/wiki/%E6%9C%9D%E6%97%A5%E5%A7%AB
    https://ja.wikipedia.org/wiki/%E9%96%A2%E7%99%BD%E7%9B%B8%E8%AB%96
    https://ja.wikipedia.org/wiki/%E5%85%AB%E6%9D%A1%E5%AE%AE%E6%99%BA%E4%BB%81%E8%A6%AA%E7%8E%8B
    https://ja.wikipedia.org/wiki/%E8%BF%91%E8%A1%9B%E5%89%8D%E4%B9%85
    https://ja.wikipedia.org/wiki/%E5%9B%9B%E5%9B%BD%E6%94%BB%E3%82%81
    https://ja.wikipedia.org/wiki/%E4%B8%B8%E5%B1%B1%E5%9F%8E%E3%81%AE%E6%88%A6%E3%81%84
    https://ja.wikipedia.org/wiki/%E5%9B%9B%E5%9B%BD%E5%9B%BD%E5%88%86
    https://ja.wikipedia.org/wiki/%E5%9B%9B%E5%9B%BD%E5%B9%B3%E5%AE%9A
    https://ja.wikipedia.org/wiki/%E7%B4%80%E5%B7%9E%E5%BE%81%E4%BC%90
    https://ja.wikipedia.org/wiki/%E9%9B%91%E8%B3%80%E8%A1%86
    https://ja.wikipedia.org/wiki/%E6%A0%B9%E6%9D%A5%E8%A1%86
    https://en.wikipedia.org/wiki/Kii_Province
    https://en.wikipedia.org/wiki/1586_Tensh%C5%8D_earthquake
    https://en.wikipedia.org/wiki/Kaerikumo_Castle

  • The Odawara Campaign

    The Odawara Campaign

    Just a quick note from me: Due to real-life changes with workload, I’ve decided to reduce the number of blog posts to one per week. Going forward, the blog will be posted on Fridays.

    In 1589, the Hojo openly defied Toyotomi Hideyoshi’s peace orders, prompting the new regent to declare them in rebellion against the throne. (Side note, Hideyoshi, as the son of a peasant, couldn’t be declared Shogun, so he took the title of Kampaku, officially the chief advisor of the Emperor, but in reality, the political master of Japan.)

    Toyotomi Hideyoshi

    There were some final (and quite half-hearted) attempts at negotiation, but Hideyoshi’s position was clear: either the Hojo would submit, or they would be destroyed. The Hojo, an old, proud, and powerful clan, refused to bow, and by 1590, Hideyoshi had mustered an army of some 200,000 men to force the issue.

    Tokugawa Ieyasu, whose lands lay between the Hojo and Hideyoshi, initially sought to mediate, as his daughter was married to Hojo Ujinao, the nominal lord of the clan. These attempts failed, however, and Ieyasu threw in his lot with Hideyoshi, making preparations in his lands for the movement of thousands of troops advancing on the Kanto.

    The Kanto is surrounded by mountains and, at least in theory, very easy to defend, as there are only a limited number of passes through which a large body of troops can pass. The Hojo knew this and fortified as many of these passes as they could. Unfortunately, they were now being attacked on practically all sides. As well as the Tokugawa-Toyotomi force coming from the east, they also face an army sent along the Nakasendo road to attack Usui Pass in the north, and a force dispatched from the North-East would advance into Musashi Province and attack the castles there. Even the ocean to the south wasn’t open to the Hojo, as a naval force attacked Nagahama Castle in Izu.

    The site of Nagahama Castle today.

    The main blow would come from the west, however, as Hideyoshi led his army in an attack on the apparently formidable fortress of Yamanaka. Before the outbreak of hostilities, the Hojo had dispatched a garrison of 4000 men to the castle and set about improving its fortifications. Unfortunately, this work was not completed by the time Hideyoshi’s army arrived, and, despite its reputation as the “gateway” to the Kanto, Yamanaka fell in a single morning, despite brave resistance from the overmatched garrison.

    Other castles in the area were taken or besieged, bottling up their garrisons and preventing them from supporting the main attack on Odawara, which itself came under siege in early May. Odawara itself was an enormous castle, and despite the size of Hideyoshi’s army, there was no serious attempt to take it by storm. Instead, the siege camp became something of a small town, with everything from prostitutes to theatrical troupes plying their trade amongst the besiegers, whilst the Hojo defenders were often obliged to sleep on the battlements in their armour, for fear of a sudden attack.

    With Odawara now firmly under siege, Hideyoshi was confident enough to dispatch forces to support the campaigns in other parts of Hojo territory, with many of the castles falling with surprising speed. This was largely due to the fact that the Hojo had mobilised the vast majority of their forces for the defence of Odawara itself, leaving most of the outlying castles only lightly defended. When faced with the overwhelming strength of the forces arrayed against them, most of these castles surrendered immediately, or else were taken after only brief resistance.

    The layout of Odawara Castle.

    There is some evidence that the speed at which many of these castles fell led Hideyoshi to criticise his generals in the region, suggesting that taking so many castles so easily could not be considered a military achievement.

    The ease of the advance wasn’t true everywhere, however. At Iwatsuki (in modern Saitama), a force of 20,000 was held up by the defenders for several days despite a numerical advantage of 10-1. When the castle fell, Hideyoshi ordered that all the fighting men be killed, and the women and children taken prisoner. Instead, the commanding general, Asano Nagamasa, had already agreed to spare the surviving warriors, the women and the children as part of the surrender agreement.

    Meanwhile, the Siege at Hachigata Castle (also in Saitama) concerned Hideyoshi enough that he sent a sternly worded letter to Nagamasa, ordering him to focus his efforts there. Nagamasa did so, and a combined army of some 35,000 men attacked Hachigata, forcing the garrison to surrender. Once again, arrangements were made to spare the garrison and non-combatants, though this time it doesn’t seem to have been in defiance of Hideyoshi’s orders.

    The site of Hachigata Castle as they appear today.
    Taketarou – 投稿者自身による著作物, CC 表示-継承 3.0, https://commons.wikimedia.org/w/index.php?curid=1273726による

    While most castles were taken by force, negotiation, or a combination of the two, some held out, either through the skill of their defenders or, as was the case at Tatebayashi Castle, by apparently divine intervention. The castle was apparently founded with the help of a grateful fox, who rewarded the lord of the castle for rescuing its baby by marking out the foundations of the fortress in an area of swampy ground.

    This soggy position made the castle very difficult to approach, and when it came under siege, the attackers laid down logs across the swamp to create a roadway to the castle walls. With their pathway secure, the besiegers got a good night’s rest and prepared for a dawn attack. When the sun rose, they found that the roadway had disappeared completely, something put down to the fox spirit protecting the castle rather than the possibility that the logs had just sunk.

    Another famous, watery siege was that of Oshi Castle. Surrounded on two sides by rivers, Oshi was besieged by forces led by Ishida Mitsunari (who will become very important). Much ike Tatebayashi, Oshi’s watery position made it difficult to overcome. Mitsunari (apparently on written instructions from Hideyoshi) set about building an enormous levee surrounding the fort, forcing the water from the two rivers to inundate the castle and flood out its defenders.

    The levee (Ishida Tsutsumi) as it appears today in modern Konosu, Saitama.
    京浜にけ – 投稿者自身による著作物, CC 表示-継承 3.0, https://commons.wikimedia.org/w/index.php?curid=100409931による

    To the besiegers’ surprise, the waters didn’t actually flood the castle; instead, they gave it the appearance of floating on the water, leading it to be referred to as the “Floating Castle” (this is the title of a manga and its later 2012 adaptation, both about the siege). Following several days of heavy rain, the levee broke (or was sabotaged in some sources), flooding the siege camp and killing up to 200 warriors.

    The failure of this approach would seriously damage Mitsunari’s military reputation (some sources point out that he was just following Hideyoshi’s instructions, but the damage was done), and the siege was eventually taken over by Asano Nagamasa. An all-out assault on the castle was impossible due to the effects of the flooding, which had turned the ground into an impassable quagmire, and Oshi has the distinction of being one of the few fortresses that held out until the end of the Odawara Campaign, before eventually surrendering nearly 2 weeks after the fall of Odawara.

    Odawara, as one of the most formidable castles in the realm, hadn’t come under direct attack, but the siege had been dragging on for weeks, and news from other parts of the Kanto was almost universally bad, sapping the already fragile morale of the defenders. Shortly after the siege began, the loyalty of the Date Clan was still in doubt, and the Hojo held out hope that they might receive aid from outside the Kanto. Date forces indeed entered the Kanto, but in support of Hideyoshi, ending any hope of relief.

    Date Masamune. His decision to support Hideyoshi ended any hope the Hojo had of outside support.

    Though no general assault was launched, there were a few small-scale skirmishes and sporadic gunfire, and by early summer, signs of a breakdown in morale were appearing on both sides, with an increase of desertion amongst the besiegers, and the ever-present possibility of defection from the Hojo, especially as news of the rapid fall of other castles arrived.

    Negotiations began early in the siege, largely facilitated by Tokugawa Ieyasu, Hojo Ujinao’s father-in-law. Rumours of a peace agreement spread almost immediately, and Ujinao’s grandmother and step-mother (Ujimasa’s second wife) both died mysteriously on the same day. Historians generally believe they committed suicide, either in protest of a peace deal or in prospect of one.

    News of the fall of other fortresses was followed by the public display of the heads of those killed, and then the wives and children of the survivors outside the castle walls, further depleting the defenders’ morale. Towards the end of the siege, the appearance of Ishigakiyama Castle, built in just a few months, on a mountain not far from Odawara, effectively ended what remained of the Hojo’s will to resist.

    Odawara Castle as seen from Ishigakiyama.

    A side note here, there is a popular legend that Ishigakiyama Castle was ‘built in one night’, which was clearly impossible, with later sources suggesting that rather than literally being built overnight, the castle was instead constructed behind a forest, which was itself cut down overnight, giving the impression that the castle had appeared from nowhere. Modern scholars doubt that either version is true, as Ishigakiyama is easily visible from Odawara, and though the castle was certainly built unusually quickly, it is now thought to have been constructed in full view of the Hojo, to highlight the impossibility of their situation.

    After this, the besiegers made a point of keeping up a light but continuous rain of gunfire on the castle, intending to grind down their morale, and when a final, furious night attack from the castle was repelled in August, the writing was on the wall, and a delegation from the Hojo was sent out to offer the seppuku of Hojo Ujinao and the surrender of the castle, in exchange for the lives of the remaining garrison.

    Hideyoshi accepted the surrender of the castle on the condition that all the remaining senior Hojo, Ujinao, his father Ujimasa, and uncle Ujiteru, commit seppuku, and that the provinces of Musashi, Sagami, and Izu (the Hojo heartlands) be given up. Further resistance was now impossible, and the Hojo agreed. Tokugawa Ieyasu successfully intervened for the life of his son-in-law, Ujinao, but he would fall sick (possibly with smallpox) and die by the end of the year.

    Hojo Ujinao.

    In the aftermath of the fall of Odawara, the Kanto would come under the control of Tokugawa Ieyasu, who had previously agreed to trade his three home provinces for the five of the Kanto, making his new base at Edo Castle, the site of the modern Imperial Palace in Tokyo. In the long-term, this would prove to be a genius move on Ieyasu’s part, but for now, the man who came out on top was Toyotomi Hideyoshi.

    With the Hojo defeated, there were no longer any serious rivals to his rule. For the first time in more than a century, the realm was united under a single, undisputed leader, who set about ensuring it would never again fall into chaos.

    The situation after the fall of Odawara. No more division, no more chaos, at least on paper.
    By Alvin Lee – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=39214210

    Hideyoshi’s conquest of Odawara marked the end of the second phase of Japan’s reunification. Next week, we’ll take a step back to look at another name we’ve mentioned a lot, Oda Nobunaga, the first of the great unifiers.

    Sources
    https://ja.wikipedia.org/wiki/%E6%83%A3%E7%84%A1%E4%BA%8B%E4%BB%A4
    https://ja.wikipedia.org/wiki/%E5%B1%B1%E4%B8%AD%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E5%B0%8F%E7%94%B0%E5%8E%9F%E5%BE%81%E4%BC%90
    https://ja.wikipedia.org/wiki/%E7%9F%B3%E5%9E%A3%E5%B1%B1%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E5%BF%8D%E5%9F%8E%E3%81%AE%E6%88%A6%E3%81%84
    https://ja.wikipedia.org/wiki/%E5%BF%8D%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E7%9F%B3%E7%94%B0%E5%A0%A4
    https://ja.wikipedia.org/wiki/%E9%A4%A8%E6%9E%97%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E5%B2%A9%E6%A7%BB%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E6%B5%85%E9%87%8E%E9%95%B7%E6%94%BF
    https://ja.wikipedia.org/wiki/%E9%89%A2%E5%BD%A2%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E9%9F%AE%E5%B1%B1%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E9%95%B7%E6%B5%9C%E5%9F%8E_(%E4%BC%8A%E8%B1%86%E5%9B%BD)
    https://ja.wikipedia.org/wiki/%E6%9D%BE%E4%BA%95%E7%94%B0%E5%9F%8E
    https://en.wikipedia.org/wiki/Toyotomi_Hideyoshi
    https://en.wikipedia.org/wiki/Siege_of_Odawara_(1590)


  • Lords of the East, Part 4

    Lords of the East, Part 4

    Hojo Ujiyasu died in 1571, having lived a life in which he had seen the fortunes of his clan rise, fall, and then rise again. His son, Ujimasa, inherited a strong but still dangerous position. Almost as soon as his father had passed, Ujimasa sought to end the war with Takeda Shingen and reestablish an alliance against their mutual enemy, Uesugi Kenshin.

    Hojo Ujimasa

    Shingen, by now in control of Suruga and stronger than ever, agreed, and it didn’t take long for the Hojo and Uesugi to be at each other’s throats again. In 1574, Kenshin invaded the Kanto, but his attention was focused mostly on his conflict with the Takeda, closer to home, and this round of Uesugi-Hojo fighting ended after an indecisive battle at the Tone River.

    With Kenshin busy elsewhere, Ujimasa turned his attention back to the Hojo’s old enemy, the Satomi, invading Shimotsuke in 1576, and advancing deep into Kazusa the next year. The Hojo clearly had the military advantage, with a vastly superior army and much larger territory. Despite this, the terrain of Kazusa and Awa Province (in the south of modern Chiba) is difficult for military operations, and Hojo supply lines relied either on ships crossing Tokyo Bay, which was difficult even in good weather, or on taking the long way around through Musashi Province (modern Tokyo).

    The terrain of Kazusa and Awa as it appears today. Though the Hojo were stronger, the logistical reality made a long term campaign impossible.
    By certified, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=55415779

    Neither of these options was particularly appealing, and what was more, the number of troops that the Hojo would have needed to commit to ending the war decisively would have left their other frontiers unacceptably vulnerable. So, in late 1577, a peace agreement (the Boso Ichiwa) was reached, establishing the border between the two factions and arranging a marriage to seal the deal.

    Although the marriage would end within a few years, with the death of Ujimasa’s daughter, the peace held (more or less). This is demonstrated by the fact that when civil war broke out among the Satomi following Yoshihiro’s death in 1578, the Hojo did not intervene, even though it would have been to their advantage to do so. The peace would eventually come to an end in 1590, but we’re getting ahead of ourselves.

    Uesugi Kenshin, one of the Hojo’s most dangerous foes, also died in 1578, and Uesugi, much like the Satomi, quickly fell into infighting over who would succeed him. This time, the Hojo made some attempts to intervene, as Uesugi Kagetora, one of the candidates, was Ujimasa’s younger brother, who had been adopted by Kenshin as part of the earlier peace deal. Ujimasa’s support for his one-time brother seems to have been quite limited, however, as Hojo forces contented themselves with securing control over Kozuke Province before withdrawing.

    Takeda Shingen had died in 1573, and with the Uesugi and Satomi tearing themselves apart over succession, by 1578, Ujimasa might have been forgiven for thinking that he’d ‘won’ in the Kanto. Unfortunately for him, Shingen’s death led to the disastrous Battle of Nagashino in 1575, in which the Takeda clan’s power was broken, leaving the western approaches to the Kanto open to a new, and far more dangerous, player.

    Oda Nobunaga.

    Oda Nobunaga had risen from obscure origins in Owari Province (around modern Nagoya) to become the preeminent lord in the realm. Though his power was not yet completely unchallenged, by 1578, he was best placed to be the man who would unite the realm and end the Sengoku Jidai. With that in mind, Ujimasa reached out diplomatically, seeking to gain Nobunaga’s favour and perhaps arrange a marriage between the Oda and Hojo. Around this time, he also seems to have ‘retired’ and given control of the clan to his son, Ujinao, whilst in reality retaining actual power for himself.

    For his part, Nobunaga seems to have had little interest in a rapprochement with the Hojo, though his exact plans aren’t clear; it’s reasonable to assume that, much like the Takeda, Nobunaga viewed the Hojo as a rival to eventually be crushed. However, in the short term, he had more pressing concerns in the West, dealing with the powerful Mori Clan, and for now, the Hojo were left alone.

    With Nobunaga’s death in June 1582, everything changed. Taking advantage of the chaos, Ujimasa launched an attack against former Oda loyalists in the Kanto, securing control of the whole of Kozuke Province, and advancing into Kai, where he was met by another power seeking to take advantage of Nobunaga’s death, Tokugawa Ieyasu.

    Tokugawa Ieyasu

    The fighting didn’t go well for the Hojo, but neither side was committed to all-out war, so a peace was agreed upon, which saw Ujimasa’s son, Ujinao, marry Ieyasu’s daughter, Tokuhime. In 1583, following the death of the last Ashikaga Kanto kubo, Ujimasa took the title for himself, positioning the Hojo at the very top of the hierarchy in the Kanto.

    Not long after that, a successful campaign in support of allies in Shimotsuke Province brought the southern half of that province under his control, and Hojo territory reached its greatest extent. By some later estimates, the territory was valued at 2.4 Million Koku, and with control of several key rivers and coastal areas, the Hojo now dominated the political, military, and economic spheres within the Kanto.

    In 1587, the chaos that had followed Nobunaga’s death had come to an end, with Toyotomi Hideyoshi emerging as the ultimate winner. That year, he issued the Soubujirei or “General Peace Order” commanding that all Daimyo cease private wars, essentially bringing an end to the Sengoku Jidai, at least on paper.

    Toyotomi Hideyoshi

    The Hojo agreed to abide by this order, but there was one outstanding issue. During the fighting in Kai Province in 1582, the Numata Domain, territory of the Sanada Clan, had defied Hojo attempts to conquer it. Though the fighting had largely come to an end, the border remained undefined, and so Hideyoshi dispatched vassals to settle the issue.

    Hideyoshi’s decision was that two-thirds of the territory would go to the Hojo, and the remaining third would remain in Sanada hands. To confirm the arrangement, the powerful Numata Castle was handed over to the Hojo and peace was apparently agreed. However, shortly after this, the new lord of Numata arranged for the defection of nearby Nagurumi Castle, on the Sanada side of the border.

    The site of Nagurumi Castle today.
    photo: Qurren (トーク) Taken with Canon PowerShot G9 X – 投稿者自身による著作物, CC 表示-継承 3.0, https://commons.wikimedia.org/w/index.php?curid=63097035による

    The plot succeeded, and Nagurumi was handed over to Hojo forces without a fight. The problem was that this was a clear violation of the peace deal, and things only got worse when Ujinao denied any knowledge of the plot in a letter to Hideyoshi, attempting to present the capture of the castle as a fait accompli.
    Hideyoshi wasn’t about to accept that, and demanded that Ujimasa (retired, but still effective head of the clan) come to Kyoto to explain his clan’s actions.

    Ujimasa refused, and Hideyoshi took this as an act of open rebellion. In 1589, he ordered all lords to attack the Hojo as punishment for their defiance. Initial attacks from the Sanada clan were repelled by Hojo forces, but Hideyoshi was able to muster a force in excess of 200,000 men, and when the main attack began, it would be a fight to the death.

    The Odawara Campaign is deserving of a post of its own, I think, so we’ll leave it there for now.

    Sources
    https://ja.wikipedia.org/wiki/%E5%8C%97%E6%9D%A1%E6%B0%8F%E6%94%BF
    https://ja.wikipedia.org/wiki/%E8%B1%8A%E8%87%A3%E7%A7%80%E5%90%89
    https://ja.wikipedia.org/wiki/%E5%B0%8F%E7%94%B0%E5%8E%9F%E5%BE%81%E4%BC%90
    https://ja.wikipedia.org/wiki/%E5%90%8D%E8%83%A1%E6%A1%83%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E6%83%A3%E7%84%A1%E4%BA%8B%E4%BB%A4
    https://ja.wikipedia.org/wiki/%E5%8C%97%E6%9D%A1%E6%B0%8F%E5%BA%B7

  • Lords of the East, Part 3

    Lords of the East, Part 3

    First post of 2026, so Happy New Year and thanks for sticking with me!

    The situation in 1560. The Hojo are in Green.
    By Alvin Lee – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=39200926

    By 1560, the Hojo were masters of much of the Kanto. A series of successful military campaigns over the previous decades had given them control over much of the area that now comprises modern-day Tokyo, Yokohama, and Chiba. Unlike today, when these areas are among the world’s most densely populated megacities, in the 16th century they were largely agricultural, with a few castle towns surrounded by vast expanses of farmland.

    It is also true that economic productivity, such as it was, was measured in rice production, with land being valued according to predicted rice output, though not necessarily actual output. In short, despite being a period of incredible violence, Japanese society relied almost entirely on rice production to function. Famine was a constant problem, and in 1560, the Hojo, despite controlling vast tracts of land, were experiencing just how bad a failed harvest could be.

    The so-called Eiroku Famine (named after the era) left the Hojo with no food or money, and military operations largely ground to a halt. It was a real blow then, when Uesugi Kenshin, at the head of an army of 8000 men, crossed the mountains in the North of the Kanto and invaded Hojo territory. Though the Uesugi army was relatively small, the Kanto region had been ruled by them for decades prior to the Hojo conquests, and when Kenshin appeared, dozens of local clans switched sides and flocked to the Uesugi banner.

    Uesugi Kenshin.

    Kenshin swept all before him; the Hojo lost castles in Kozuke, Shimosa, and Musashi, and by early 1561, the Uesugi had taken Kamakura. Then, at the head of an army that was reported to be 100,000 strong, Kenshin laid siege to Odawara, the Hojo capital. At this point, the Hojo were in real trouble, but fate was on their side. Ironically, the same famine that had left them seriously weakened now proved to be their saviour. An army of that size needs supplies, and there were few enough to be had in the Kanto, so it wasn’t long before the Uesugi began to melt away.

    The fortress of Odawara was one of the strongest in the realm, and with his army already shrinking, Kenshin faced a difficult choice. A long siege might fatally weaken his army, and even a successful assault could prove hugely costly. Then news arrived that his old enemy, Takeda Shingen, had invaded his home province, at the same time as stirring up a rebellion amongst the Ikko-Ikki, forcing Kenshin to return home post-haste.

    The Hojo had been saved by a combination of good luck and excellent timing on the part of Takeda Shingen, and despite their weakened state, Ujiyasu wasted no time in taking advantage of the reprieve. No sooner had Kenshin returned north than Hojo forces began the process of reconquering their lost territory. Most of the smaller clans that had joined the Uesugi now switched their loyalties back to the Hojo. This was a fairly common practice at the time; there were dozens, if not hundreds, of minor clans all over Japan who could never muster the strength to assert themselves against the power of a Daimyo, so their loyalty often proved to be a fickle thing, prioritising flexibility and survival rather than unquestioned loyalty.

    Takeda Shingen

    Not all the clans welcome the return of the Hojo, however, and Ujiyasu was obliged to dispatch armies to retake several castles in northern Musashi, and he won a decisive victory at the Battle of Mt Ikuno in November 1561, reestablishing the line of control along the mountains in the northern Kanto. Over the next two years, two sides form: a Hojo-Takeda Alliance on one side and a Uesugi-Satomi alliance on the other.

    The Hojo would generally have the better of the fighting in the Kanto, but would prove to be unable to advance further north, whilst the Uesugi would be a constant problem, but would struggle to make advances into the Kanto proper. By 1564, the conflict had largely become a stalemate, so Ujiyasu turned his attention to the East and the Satomi, whom he believed to be a weak link in the alliance.

    Though it might have been true that the Satomi were weaker than the Uesugi, they were no soft touch. When the Hojo crossed the Edogawa River on the way to invading Satomi territory, they were ambushed at the second Battle of Konodai and driven back with heavy losses. You may remember in the last post that the lord of the Satomi, Yoshiaki, had avoided the first Battle of Konodai by correctly identifying the weak position of his allies, retreating with his army intact.

    A later depiction of the area around Konodai.

    At the second battle, however, the command fell to Yoshiaki’s son, Yoshihiro, and he decided to celebrate his victory by distributing wine to his men. A party is a common way to celebrate any success, and the Satomi had successfully driven the Hojo back. The problem was that ‘driven back’ does not mean ‘defeated’; the Hojo regrouped and advanced again in the early hours of the following day.

    The Satomi army, now thoroughly inebriated, was no match for them, and Hojo forces forced the Satomi into a chaotic retreat that didn’t end until the Hojo banner was once again flying over most of Kasuza Province. Shortly after this campaign, Ujiyasu, who had already technically retired as lord of the Hojo in 1559, announced that he had fought his last campaign.

    After this, Ujiyasu seems to have largely limited himself to administration, leaving the business of war to his sons, though he would continue to play an important role in his clan’s future. In 1560, the Imagawa, one part of the triple Takeda-Hojo-Imagawa alliance, had been seriously weakened by the defeat at the Battle of Okehazama in 1560. By 1568, they were on their last legs, and Takeda Shingen, despite being a nominal ally, invaded the Imagawa’s home province of Suruga, aiming to take it for himself.

    Suruga Province
    By Ash_Crow – Own work, based on Image: Provinces of Japan.svg, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=1691794

    The Hojo, seeking to support the Imagawa and prevent encirclement by a now hostile Takeda, dispatched an army under Hojo Ujimasa to relieve Suruga. At the same time, Ujiyasu engaged in diplomacy with the Tokugawa Clan, who had lands on the other side of Imagawa territory, and had poor relations with the Takeda. A joint attack by the Hojo and Tokugawa convinced Shingen that holding Suruga was impossible in the short term, and he retreated, with the Hojo moving in and taking large parts of eastern Suruga for themselves.

    Despite this success, the Hojo once again found themselves surrounded on three sides by hostile powers: the Takeda to the West, the Uesugi to the North, and the Satomi to the East. Ujiyasu correctly recognised that if he moved to deal with one threat, the other two would take advantage, and the Hojo did not have the strength for a three-front war. Therefore, he decided to make a formal peace with the Uesugi.

    This was unpopular on both sides because the Uesugi had been enemies of the Hojo more or less from the start, and that kind of bad blood isn’t easily forgotten. However, both sides had bigger problems, namely, Takeda Shingen. Though a ceasefire was agreed upon and the border between the two sides set, the consequences for the Uesugi were that many former allies in the Kanto, like the Satomi, felt betrayed and switched to supporting Takeda Shingen.

    This might not have been such a serious problem for the Hojo, because they were going to have fight the Satomi anyway, but in early 1569, the strategic situation shifted again, when the Takeda and Uesugi made a peace between themselves, meaning that Shingen could now focus his entire strength on the Hojo, whilst also relying on support from the Satomi, and other Kanto clans.

    An image depicting the legendary rivalry between Uesugi Kenshin and Takeda Shingen. Despite this, a peace between the two allowed Shingen to focus on the Hojo.

    Later that year, Shingen invaded Musashi Province and advanced south towards Odawara, the capital of the Hojo. Though they were able to lay siege to the mighty fortress, the chances of taking it were slim. The castle was one of the strongest in the realm, and Ujiyasu had made sure it was as well-defended as possible. Shingen likely understood that taking the castle would have been enormously costly, and he had better uses for his army, so he contented himself with burning the town around Odawara and retreating.

    Ujiyasu ordered his son, Ujimasa, to pursue the retreating Takeda, hoping to trap them before they could return to Kai Province. The plan failed, however, as the Takeda moved faster than expected and the ambush was discovered. At the ensuing Battle of Mimasu Pass, the Takeda successfully fended off the Hojo and returned to Kai.

    Some scholars believe that the whole attempt at Odawara had been an elaborate show of force, meant to impress Shingen’s new allies in the Kanto, or that it was a strategic move to keep the Hojo off balance whilst Takeda forces reinvaded Suruga. Either way, there doesn’t seem to have been much enthusiasm amongst either the Hojo or Takeda to continue the war, and some sources suggest that, shortly before his death, Ujiyasu told his son, Ujimasa, that he should return to a state of peace with the Takeda and make war on their traditional enemy, the Uesugi.

    Hojo Ujimasa

    Ujiyasu himself is supposed to have suffered a stroke in the summer of 1570. Sources from the time speak of him slurring his words or being unable to speak at all, and although he rallied briefly around the New Year in 1571, he would begin to decline again shortly afterwards. There are no official documents bearing his seal after May, and he would eventually pass away in October that year.

    Sources
    https://ja.wikipedia.org/wiki/%E5%8C%97%E6%9D%A1%E6%B0%8F%E6%94%BF
    https://ja.wikipedia.org/wiki/%E5%8C%97%E6%9D%A1%E6%B0%8F%E5%BA%B7
    https://ja.wikipedia.org/wiki/%E5%9B%BD%E5%BA%9C%E5%8F%B0%E5%90%88%E6%88%A6#%E7%AC%AC%E4%BA%8C%E6%AC%A1%E5%9B%BD%E5%BA%9C%E5%8F%B0%E5%90%88%E6%88%A6%EF%BC%88%E6%B0%B8%E7%A6%846%E5%B9%B4%E3%83%BB%E6%B0%B8%E7%A6%847%E5%B9%B4/1563%E5%B9%B4%E3%83%BB1564%E5%B9%B4%EF%BC%89
    https://ja.wikipedia.org/wiki/%E6%AD%A6%E7%94%B0%E4%BF%A1%E7%8E%84
    https://ja.wikipedia.org/wiki/%E4%BB%8A%E5%B7%9D%E7%BE%A9%E5%85%83
    https://ja.wikipedia.org/wiki/%E4%B8%89%E5%A2%97%E5%B3%A0%E3%81%AE%E6%88%A6%E3%81%84
    https://ja.wikipedia.org/wiki/%E5%A4%A7%E5%AE%AE%E5%9F%8E_(%E9%A7%BF%E6%B2%B3%E5%9B%BD)
    https://ja.wikipedia.org/wiki/%E5%B0%8F%E7%94%B0%E5%8E%9F%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E4%B8%8A%E6%9D%89%E8%AC%99%E4%BF%A1
    https://ja.wikipedia.org/wiki/%E9%87%8C%E8%A6%8B%E7%BE%A9%E5%A0%AF
    https://ja.wikipedia.org/wiki/%E6%B1%9F%E6%88%B8%E5%B7%9D
    https://en.wikipedia.org/wiki/Suruga_Province

  • Lords of the East, Part 2

    Lords of the East, Part 2

    In 1537, Hojo Ujitsuna launched a successful invasion of Suruga Province, establishing the frontier at the Fuji River and ending the threat from the Imagawa-Takeda alliance, at least for now. Shortly after this news broke that (Ogigayatsu) Uesugi Tomoaki had died. Tomoaki had been an implacable foe of the Hojo, and his death severely weakened his clan, which was now led by the 12-year-old Tomosada.

    The Fuji River as it appears today, in modern Shizuoka Prefecture.

    It wasn’t all good news, however. With the bulk of the Hojo forces focused in Suruga against the Imagawa, forces of the Satomi Clan moved to expel the Hojo from the Boso Peninsula (modern Chiba), quickly establishing control and forcing the remaining Hojo loyalists to flee. There was little Ujitsuna could do about that in the short term, but in the summer of 1537, he gathered 15,000 men at Edo Castle before dispatching his son, Ujiyasu, to take the Uesugi stronghold at Kawagoe.

    The castle was taken undamaged after a surprise attack, and when the Uesugi tried to recapture it on New Year’s Day 1538, they were defeated. With his northern flank secure, Ujitsuna launched a campaign to reestablish control over the Boso Peninsula. Though they were initially successful, the attack clashed with the plans of the Koga Kubo, Ashikaga Yoshiaki.

    You may remember from earlier posts that the position of Kubo was the Shogun’s deputy in a given area. In decades past, the centre of the Kubo‘s power had been Kamakura, but the catastrophic decline of Shogunate power meant that the Kubo was eventually obliged to leave Kamakura (which was now under Hojo control) and take up residence at Koga, in Shimosa Province (modern Ibaraki).

    Shimosa Province
    By Ash_Crow – Own work, based on Image: Provinces of Japan.svg, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=1691764

    Yoshiaki had the long-term objective of reestablishing the Kubos’ preeminent position over the whole Kanto, and the Hojo stood in direct opposition to this. Both sides were about equal in strength, but while the Hojo were united behind Ujitsuna, Yoshiaki’s forces were united in opposition to the Hojo, but not necessarily in support of the Kubo.

    Though Yoshiaki’s forces agreed to challenge the Hojo at the Edogawa River, they couldn’t decide on a strategy. Yoshiaki’s allies suggested attacking the Hojo as they crossed the river, but sources say that Yoshiaki, proud of his illustrious Ashikaga name, refused such a strategy, deciding that he would march out in person and face the Hojo in the field, once the bulk of their forces were already across the river.

    Satomi Yoshitaka, once a supporter of the Hojo but now serving under Yoshiaki, recognised that the strategy robbed them of the advantage of the river and was reluctant to commit his forces to open battle with the Hojo, where victory was far from certain. Yoshitaka also recognised that if Yoshiaki were defeated, a large expanse of territory would become available; thus, he positioned his forces away from what he assumed would be the main battlefield, ready to retreat quickly if things looked to be going badly.

    Though heavily built up today, this hill was the site of some of the fiercest fighting at the Battle of Konodai.

    What became known as the Battle of Konodai began on the morning of November 8th, when the Hojo forces crossed the river. Initially, Yoshiaki’s forces had the advantage, but throughout the day, more Hojo forces arrived, and the tide of battle turned. When news came that Yoshiaki’s brother and son had been killed, he flew into a rage and charged the Hojo himself, only to be struck down by an arrow and killed. Seeing this, Satomi Yoshitaka withdrew his unengaged army, and shortly afterwards, the remaining forces began a retreat that swiftly turned into a rout.

    The Hojo used the momentum of victory to advance into Kazusa and Shimosa Provinces, whilst Yoshitaka, with his army still intact, would be able to take control of almost the entire Boso Peninsula, where he would continue to resist the Hojo, beginning a feud that would last decades.

    Although the exact date is unclear, after the victory at Konodai, Ujitsuna wouldn’t lead another campaign, and scholars agree that he retired as head of the clan sometime in 1539, when his son, Ujiyasu, completed the conquest of Shimosa and Kazusa Provinces. In late 1540, the reconstruction of Tsurugaoka Hachiman Shrine was completed, and Ujitsuna held a celebration there in which he was recognised as Kanto Kanrei, the Shogun’s official deputy in the Kanto, a title that reflected his preeminent position in the region.

    Hojo Ujiyasu.

    Ujitsuna would eventually pass away in August 1541, and his son, Ujiyasu, lord now in fact as well as name, inherited a strong but dangerous position. Successful campaigns in the east had extended Hojo control to Shimosa province. To the north, the Ogigayatsu-Uesugi plotted revenge and the return of Kawagoe Castle, whilst to the east, the conflict with the Imagawa dragged on, despite a strong frontier on the Fuji River.

    A famine in 1540-41 precluded an immediate campaign, and in 1542 Ujiyasu ordered a land survey, which enabled him to adjust and reform taxation in his territory (which was largely based on rice production) and to ensure a strong economic base for what was to come next. In 1545, the Imagawa sent out peace feelers, but no agreement could be reached, and the Imagawa joined forces with the Uesugi, with both agreeing to attack the Hojo from east and west.

    Ujiyasu rushed forces to the east, but a combined Imagawa-Takeda army proved too strong, and Ujiyasu was eventually obliged to conclude a disadvantageous peace, which saw him cede all the territory the Hojo had controlled in Suruga back to the Imagawa. Though the new border would remain tense, the peace held, and all three sides would eventually conclude an alliance in 1554, though we’re getting ahead of ourselves.

    A later image of Kawagoe Castle.

    Meanwhile, the Uesugi and their allies had massed a force of some 80,000 men around Kawagoe Castle, and with Ujiyasu busy in Surugu, the castle would endure a 6-month siege. Even after the Hojo had secured peace with the Imagawa, Ujiyasu could only muster 10,000 men, and what happened next is a matter of some debate.

    The most common telling is that Ujiyasu, in concert with the garrison inside the castle, organised a night attack on the Uesugi that caught them completely by surprise and routed them in a victory so complete that the Uesugi were destroyed as a serious force in the Kanto. The problem with this version of events is that the only sources describing the battle in that way come from the Edo Period, nearly 100 years after the events.

    Scholars debate the accuracy of those reports, and some suggest that the Battle of Kawagoe Castle happened in a very different way, or may never have happened at all, but what is certain is that the siege was lifted and either during the lifting, or shortly afterwards, the lord of the Uesugi, Tomosada, was killed, and the rest of the clan was forced north, leaving Musashi Province in Hojo hands.

    The remains of Hirai Castle.

    The war against the Uesugi would continue, however. In 1550, an attack on Hirai Castle was repulsed, only for a second attempt the next year to succeed, driving Uesugi Norimasa further north, where he sought refuge with Nagao Kagetora (better known to history as Uesugi Kenshin). In the east, too, the Hojo would advance, marching into Hitachi and Shimotsuke Province, and continuing the war against the Satomi of Kazusa Province to their southeast, conquering Kanaya Castle in 1555 and establishing Hojo control over almost the whole of the western Boso Peninsula.

    These conquests in the east were possible because of the peace established on the Hojo’s western borders. Though there was no actual fighting, the border remained very tense until the establishment of a triple alliance between the Imagawa, Takeda, and Hojo. This alliance was established over the period 1551-1554, as a series of marriages was arranged among all three parties, culminating in 1554, when Ujiyasu’s eldest daughter married Imagawa Yoshimoto’s eldest son, whilst Ujiyasu’s heir, Ujimasa, married the daughter of Takeda Shingen.

    This alliance secured the Hojo’s western border, and in 1559, Ujiyasu retired as head of the clan, handing formal power to his son Ujimasa while retaining actual control himself. That same year, he focused his full attention on pushing the last of the Uesugi clan out of Kozuke Province and established a strong presence at Numata to check any further Uesugi attempts to invade the Kanto.

    The situation in 1560. The Hojo are in Green.
    By Alvin Lee – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=39200926

    In 1560, the Imagawa suffered a serious and surprising defeat at the hands of Oda Nobunaga at the Battle of Okehazama, leaving the clan weak and the Hojo’s western flank reliant on the goodwill of the Takeda. During the same year, another outbreak of famine ravaged Hojo territory, severely weakening their economic power and food supply.

    The timing couldn’t have been much worse, because soon, the Uesugi, now led by Kenshin, would return to the Kanto, and the Hojo would face another serious crisis.

    Sources
    https://ja.wikipedia.org/wiki/%E5%8C%97%E6%9D%A1%E6%B0%8F%E5%BA%B7
    https://en.wikipedia.org/wiki/Imagawa_Yoshimoto
    https://ja.wikipedia.org/wiki/%E5%9B%BD%E5%BA%9C%E5%8F%B0%E5%90%88%E6%88%A6
    https://ja.wikipedia.org/wiki/%E5%B7%9D%E8%B6%8A%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E6%B2%B3%E8%B6%8A%E5%9F%8E%E3%81%AE%E6%88%A6%E3%81%84
    https://ja.wikipedia.org/wiki/%E4%B8%8A%E6%9D%89%E6%9C%9D%E5%AE%9A_(%E6%89%87%E8%B0%B7%E4%B8%8A%E6%9D%89%E5%AE%B6)
    https://ja.wikipedia.org/wiki/%E5%BE%8C%E5%8C%97%E6%9D%A1%E6%B0%8F
    https://ja.wikipedia.org/wiki/%E5%AF%8C%E5%A3%AB%E5%B7%9D
    https://ja.wikipedia.org/wiki/%E5%8F%A4%E6%B2%B3%E5%B8%82
    https://ja.wikipedia.org/wiki/%E5%B9%B3%E4%BA%95%E5%9F%8E

  • Lords of the East, Part 1

    Lords of the East, Part 1

    This post is coming out on Christmas Day, so Merry Christmas (if that’s your thing).

    We’ve taken a look at the Hojo before, their origins, and their founder, Hojo Soun, featured in a post I wrote a while back, which can be found here:

    The mon of the Hojo Clan.
    Mukai – コンピュータが読み取れる情報は提供されていませんが、自分の作品だと推定されます（著作権の主張に基づく）, CC 表示-継承 3.0, https://commons.wikimedia.org/w/index.php?curid=9416708による
    Soun – Rise of the Hojo

    In brief, the Hojo, as they became known, were originally called the Ise, and their founder, Soun, invaded Izu Province in 1493 before conquering Odawara in neighbouring Sagami Province in 1495. It was Soun’s son, Ujitsuna, who adopted the name and mon of the Hojo Clan, who had been the de facto rulers of Japan during the late Kamakura Shogunate.

    Exactly why he chose to change the clan’s identity is a matter of some debate, with the most obvious reason being the prestige the name brought, which would help to convince the clans that were ‘native’ to the area that the Ise (now the Hojo), who had originated elsewhere, belonged.

    The Hojo based themselves permanently at Odawara from around 1516, and it is from there that Ujitsuna, the second lord (or first, if you’re feeling pedantic about names), would rule. After Soun passed the rule to him in 1518, Ujitsuna set about quite literally making his mark on Sagami Province. He was something of a prolific builder and established or rebuilt several famous shrines that still stand today.

    Sagami Province
    By Ash_Crow – Own work, based on Image: Provinces of Japan.svg, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=1691750

    After 1521, Ujitsuna also began to call himself the shugo (governor) of Sagami Province. Officially, he was never bestowed with this title by the Shogun, but by this point, it hardly mattered; no one in Kyoto was in a position to stop him, and Ujitsuna ruled as governor, in fact if not technically by law.

    It’s also around this time that the Ise Clan became the Hojo Clan. Traditionally, this was seen as just an arbitrary name change, seeking to attach the somewhat lowborn Ise to an illustrious name. More recent evidence suggests that it might not have been so cynical a move, with some sources suggesting that Ujitsuna’s wife, Yojuin, was a descendant of the Yokoi Clan, who were in turn descendants of the original Hojo.

    This would still be a pretty tenuous link on its own. Still, shortly after the name change, the Imperial Court rewarded the Hojo with the title of “Saikyo no Daibu“, the same title the original Hojo were bestowed with. We’ve discussed previously how, by this point, Imperial titles were worthless on their own but still carried considerable prestige. This title put the Hojo on the same rank (in the eyes of the court, anyway) as the nearby Imagawa, Takeda, and Uesugi Clans, families with undisputed lineage.

    Hojo Ujitsuna. It was his decision to rename his clan that led to the adoption of their famous name.

    All this suggests that the claim to the Hojo name might not have been all that spurious, but acceptance by the Imperial Court did not translate to being a member of the ‘club’, and certainly, in the case of the Uesugi (the Ogigayatsu Branch, at least), the Hojo were little more than upstarts.

    The Sengoku Period was a time when lineage no longer held the same meaning it once did. A clan with an impressive family tree could (and often did) find itself crushed by clans that, by comparison, had no real ancestry and might have once been subordinates. This phenomenon, called Gekokujo in Japanese (which means low overthrows high), was common across the realm in this period, and a clan like the newly dubbed Hojo would set about establishing its rule at the point of a sword.

    Ujitsuna was very much a man of his time, and by the mid 1520s, he had subdued all of Sagami Province (modern Kanagawa) and advanced into southern Musashi, the neighbouring province, close to the area of modern Tokyo. Faced with further advances by the Hojo and defection of lords in Western Musashi, the Ogigayatsu were forced to respond.

    Musashi Province.
    By Ash_Crow – Own work, based on Image: Provinces of Japan.svg, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=1690716

    In February 1524, a Hojo force of some 10,000 clashed with the Ogigayatsu at the Battle of Takanawahara. The battle was a decisive victory for the Hojo, with the Ogigayatsu forces retreating to Edo Castle (on the site of the modern Imperial Palace), only for it to fall shortly afterwards, forcing the Ogigayatsu to withdraw further north to another stronghold at Kawagoe.

    Ujitsuna, flush with victory, ordered a rapid advance and made rapid progress before a counterattack led by Ogigayatsu ally, Takeda Shingen (remember him?), defeated the Hojo at Iwatsuki in mid 1524, obliging Ujitsuna to seek peace. He would break the peace in early 1525, and despite some early success, the Ogigayatsu, allied with the Takeda, and united with their cousins on the Yamauchi Uesugi, proved to be too much for the Hojo. In September 1525, the Hojo were defeated at the Battle of Shirakobara. Although Edo Castle would hold out, by mid-1526 the Hojo had been driven out of Musashi Province altogether, with Tamanawa Castle on the border of Sagami Province coming under attack in November that year.

    The Hojo had their back to the wall, but the forces arrayed against them were a mishmash of different clans, with different goals. A lack of coordination meant that when the time came to attack Sagami in force, the attack was beaten back, with troops of the Satomi (allies of the Ogigayatsu) making it as far as Kamakura before being defeated. During their retreat, they burned the famous Tsurugaoka Hachimangu Shrine. This carried significant political consequences, and Ujitsuna was able to convince the Imperial Court and the Shogunate to censure his enemies.

    Tsurugaoka Hachiman Shrine as it appears today.
    ulysses_powers から Tsurugaoka Hachimangu in Yukinoshita, Kamakura, Kanagawa – Flickr, CC 表示-継承 2.0, https://commons.wikimedia.org/w/index.php?curid=3123909による

    This official reprimand created enormous political pressure, and by the end of 1527, Ujitsuna had been able to make peace. Though it is difficult to predict what the outcome might have been otherwise, it is important to remember that Hojo territory faced enemies in three directions, and it is not improbable that, had peace not been agreed, then they may have been overwhelmed.

    This reprieve was not wasted by Ujitsuna, either. In 1530, when Takeda forces once again marched against Sagami, the Hojo dispatched a force to meet them. Though the Hojo would prove victorious in this campaign, the Ogigayatsu sought to take advantage of Ujitsuna’s distraction and sent an army of their own, hoping to trap the Hojo army between them and the Takeda.

    Standing in their way was Ozawa Castle, controlled by Ujitsuna’s son and heir, Ujiyasu. Sources say that the Hojo were outnumbered as much as 5 to 1, but on the night of July 6th, 1530, Ujiyasu launched a surprise attack on their camp, winning a decisive victory and returning momentum in the war to the Hojo.

    The site of Ozawa Castle, in modern Kawasaki.
    多摩に暇人 – 投稿者が撮影, CC 表示 3.0, https://commons.wikimedia.org/w/index.php?curid=93672574による

    With this momentum, the Hojo were able to take advantage of the same division that had plagued their enemies a few years earlier. Ujitsuna identified the Satomi Clan (from modern Chiba) as a weak link and focused his attention on them, bribing several family members who were unhappy with the current leadership and seeking to incite a rebellion that the Hojo could exploit.

    The plot was discovered, however, and so the Hojo instead relied on good, old-fashioned, brute force, dispatching an army across what is now Tokyo Bay to Awa Province on the southern tip of the Boso Peninsula. Despite the plot’s failure and the execution of several conspirators, some members of the Satomi still rose up in support of the Hojo invasion. What followed was a series of victories as the Hojo-Satomi alliance took castle after castle, culminating in the Battle of Inukake in 1534, which saw the Hojo-Satomi defeat their rivals and replace the head of the Satomi Clan with a Hojo ally.

    Whilst the Hojo were victorious on their eastern flank, the western flank was secured by a long-term alliance with the Imagawa. You may remember that Hojo Soun had actually started out as a vassal of the Imagawa, and though the Hojo had since risen to a position of equality with their former masters, the relationship remained close.

    With the bulk of his forces busy against the Satomi, Ujitsuna requested his Imagawa ally, Ujiteru, invade Takeda territory to ensure they wouldn’t intervene. The Imagawa obliged and invaded Kai Province in July 1534; they were initially successful but soon became overextended and had to retreat to their home in Suruga. A Takeda counterattack was considered so dangerous that Ujitsuna withdrew forces from the West to face it. The Takeda, remembering their defeat at the hands of the Hojo a few years earlier, tried to lure Ujitsuna into an ambush in the narrow mountain passes of Kai, seeking revenge.

    Lake Yamanaka, site of the eponymous battle.
    Alpsdake – 投稿者自身による著作物, CC 表示-継承 4.0, https://commons.wikimedia.org/w/index.php?curid=45336367による

    Ujitsuna was apparently aware of the strategy, however, and dispatched a force to outflank the Takeda, turning the ambushers into the ambushed at the Battle of Yamanaka on September 19th, 1535. The defeat was so severe for the Takeda that the road into Kai province now lay open, and Ujitsuna apparently intended to crush the Takeda once and for all and take the whole of Kai Province for himself.

    This invasion was eventually called off as the Ogigayatsu proved to be a more pressing concern, and over the next few years, the geopolitical situation would shift considerably. In 1536, Imagawa Ujiteru died suddenly, aged just 21 or 22. He left no heirs, and so the clan quickly descended into civil war. At about the same time, famine and an epidemic broke out in Kai Province, severely weakening the Takeda.

    The Imagawa civil war was won by Yoshitomo, Ujiteru’s younger brother, but the devastation in Suruga left the clan severely weakened, and they sought peace with the Takeda, who, suffering their own calamities, quickly agreed, with Yoshitomo marrying Takeda Shingen’s daughter to establish a new alliance. Ujitsuna recognised that his alliance presented an intolerable risk to his western frontier and resolved to do something about it.

    A later depiction of Imagawa Yoshitomo.

    In early 1537, Ujitsuna led 10,000 men into Suruga Province, winning a series of crushing victories over the Imagawa and decisively bringing an end to decades of close relations. Fearing overextension, however, Ujitsuna limited his conquests to the territory east of the Fuji River, and a truce was declared shortly afterwards, which was convenient, as the death of the Ogigayatsu lord left the clan in disarray and presented a golden opportunity for further Hojo expansion, but we’ll talk about that next time.

    Sources
    https://ja.wikipedia.org/wiki/%E5%8C%97%E6%9D%A1%E6%B0%8F%E7%B6%B1
    https://ja.wikipedia.org/wiki/%E5%B1%B1%E4%B8%AD%E3%81%AE%E6%88%A6%E3%81%84
    https://ja.wikipedia.org/wiki/%E5%AF%8C%E5%A3%AB%E5%B7%9D
    https://en.wikipedia.org/wiki/Imagawa_Yoshimoto
    https://ja.wikipedia.org/wiki/%E7%8A%AC%E6%8E%9B%E3%81%AE%E6%88%A6%E3%81%84
    https://ja.wikipedia.org/wiki/%E5%B0%8F%E6%B2%A2%E5%9F%8E
    https://ja.wikipedia.org/wiki/%E5%B0%8F%E6%B2%A2%E5%8E%9F%E3%81%AE%E6%88%A6%E3%81%84
    https://ja.wikipedia.org/wiki/%E9%B6%B4%E5%B2%A1%E5%85%AB%E5%B9%A1%E5%AE%AE
    https://ja.wikipedia.org/wiki/%E7%99%BD%E5%AD%90%E5%8E%9F%E3%81%AE%E6%88%A6%E3%81%84