Wakisaka Yasuharu held the position of daimyo over Awaji Island before ruling over Ozu in Iyo Province. His significance in the Battle of Sekigahara in 1600 cannot be overstated.
Initially, Wakisaka served under Akechi Mitsuhide as part of Oda Nobunaga's forces. During the siege of Hijiyama in 1581, he led Nobunaga's troops. However, after Mitsuhide's betrayal and Nobunaga's demise in 1582, Wakisaka became a retainer of Toyotomi Hideyoshi.
Distinguished as one of the "Seven Spears of Shizugatake" after the battle in 1583, Wakisaka earned a place among Hideyoshi's most trusted generals. With expertise in naval tactics, he was granted control over Awaji Island and later became a commander in Hideyoshi's navy. Wakisaka played a crucial role in Hideyoshi's military campaigns, including the Kyushu Campaign (1587), the Siege of Odawara (1590), and the Korean invasions (1592–1598), leading 1,500 warriors. However, the Korean expeditions proved challenging, as Wakisaka's fleet suffered defeats at the hands of the Korean hero, Admiral Yi Sun-Sin.
During the Battle of Sekigahara, Wakisaka initially intended to support the Tokugawa forces. However, he felt compelled to join Ishida Mitsunari's side as Mitsunari had raised Wakisaka's troops during a stay in Osaka. Positioned below the Kobayakawa forces on Mt. Matsuo, Wakisaka and his samurai ultimately sided with the Eastern forces at the crucial moment, contributing to their victory. His direct attack on the Otani garrison played a significant role in securing victory for the Tokugawa side.
In recognition of his contributions, Wakisaka was granted his lands at Awaji and later received a domain at Ozu in Iyo Province. He passed away on September 26, 1626, at the age of 72.
See also
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Oda Nobutada
Oda Nobutada (1557 – June 21, 1582) was a samurai and the eldest son of Oda Nobunaga, known for his active role in several battles during Japan's Sengoku period. He led armies under his father's command in campaigns against Matsunaga Hisahide and the Takeda clan.
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Imagawa Ujizane
Imagawa Ujizane (1538 – January 27, 1615) was a Japanese daimyō who lived through the Sengoku and early Edo periods. He became the tenth head of the Imagawa clan, following in the footsteps of his father, Imagawa Yoshimoto. Ujizane was the father of Imagawa Norimochi and Shinagawa Takahisa.
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Hojo Ujiyasu
Hojo Ujiyasu (1515 – October 21, 1571), the third head of the Odawara Hojo clan, was a formidable daimyo known as the "Lion of Sagami." Revered as a fearsome samurai and brilliant strategist, he became famous for successfully breaking sieges by renowned warlords Takeda Shingen and Uesugi Kenshin. Ujiyasu was the son of Hojo Ujitsuna, and his only known wife was Zuikei-in, sister of Imagawa Yoshimoto. Among his children were Hojo Ujimasa and Uesugi Kagetora.
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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.
