Minamoto no Sanetomo, the younger sibling of the 2nd Kamakura Shogun, Yoriie, who had been dethroned by their maternal grandfather and later assassinated, consequently leading to Sanetomo's appointment as Shogun.
Born on September 17, 1192, Sanetomo found himself manipulated by his mother and lived in constant fear of his grandfather, who made multiple attempts to eliminate him. Despite these challenges, Sanetomo devoted his time to composing poetry, creating over 700 high-quality Waka poems. The powerlessness he experienced, along with persistent threats to his life, drove him to develop a chronic dependency on alcohol.
At the age of 27, Sanetomo met his demise through assassination orchestrated by his nephew and adopted son, Minamoto no Yoshinari, on the Grand Stairway of the Tsurugaoka Hachiman Shrine in Kamakura in 1219.
On the snowy 13th day of the second month, coinciding with the Buddhist New Year, Sanetomo had just concluded a ceremony regarding his recent appointment as Udaijin, or Minister. Exiting the shrine via the grand stairway, Yoshinari ambushed him, beheading the shogun and killing the sword-bearer. The intended target should have been the future regent, Hojo Yoshitoki; however, feeling unwell, he had left earlier, and his substitute was mistakenly slain. Fleeing with Sanetomo’s head, Yoshinari wrote a letter proclaiming himself the new shogun. Nevertheless, his "reign" was brief, as Yoshinari was apprehended and executed within hours.
See also
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Hojo Ujimasa
Hojo Ujimasa (1538 – August 10, 1590) was the fourth leader of the later Hojo clan and the daimyo of Odawara. He continued his father Hojo Ujiyasu's policy of territorial expansion, achieving the largest territorial holdings in the clan's history.
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Uesugi Kagetora
Uesugi Kagetora (1552 – April 19, 1579) was the seventh son of Hojo Ujiyasu and was originally known as Hojo Saburo. He was adopted by Uesugi Kenshin and intended to be Kenshin's heir. However, in 1578, he was attacked in his Otate Castle by Uesugi Kagekatsu, his brother-in-law, and was ultimately defeated. Kagetora committed suicide the following year at Samegao Castle.
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Hojo Ujinao
Hojo Ujinao (1562 – December 19, 1591) was a Japanese daimyo of the late Sengoku period and the last leader of the Later Hojo clan. An important figure in Azuchi-Momoyama politics, he lost his entire domain following the Siege of Odawara (1590). Despite this, he survived, and his family continued as minor daimyo during the Edo period.
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Takeda Katsuyori
Takeda Katsuyori (1546 – April 3, 1582) was a Japanese daimyo of the Sengoku period, renowned as the head of the Takeda clan and successor to the legendary warlord Takeda Shingen. He was also the son-in-law of Hojo Ujiyasu. Katsuyori was born to Shingen and the daughter of Suwa Yorishige, known posthumously as Suwa-goryonin and by her real name, Koihime. His children included Takeda Nobukatsu and Takeda Katsuchika.
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Yasuke
Yasuke, an African page, arrived in Japan in 1579 as the attendant of the Italian Jesuit missionary Alessandro Valignano. Before the arrival of the Englishman William Adams, it is thought that Yasuke was possibly the inaugural non-Japanese samurai, arriving about twenty years earlier.
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Yamanami Keisuke
Yamanami Keisuke, the second in command of the Shinsengumi, a special police force during the late Edo period, shocked many when he performed seppuku on March 20, 1865, at the age of 32.
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Yamamoto Kansuke
Yamamoto Kansuke, renowned as a samurai strategist and one of Takeda Shingen's esteemed 24 Generals, hailed from the Mikawa region, known for breeding formidable warriors. Despite physical challenges—blindness in one eye, lameness in one leg, and a malformed hand—Kansuke embarked on a warrior's pilgrimage in his twenties. Traveling across the land, he honed his skills in strategy, tactics, castle construction, and warfare, engaging in various swordsmanship schools and forms.
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Yamaga Soko
Yamaga Soko was a multifaceted figure in Japanese history, renowned as a strategist, philosopher, and scholar. Later in life, he became a ronin, leaving a significant mark on the understanding of the Tokugawa period samurai.