Shimazu Tadatsune, a prominent figure of the early Edo Period, held significant wealth and power, boasting a stipend of 605,000 koku. Born in 1576, he was designated as the heir to the Shimazu clan shortly before the Battle of Sekigahara, where his father fought on the losing side. Despite his uncle Yoshihisa being the primary successor to the clan's leadership, his lack of heirs led to Tadatsune's appointment as successor due to his other uncle Hisakazu's passing in Korea. Assuming control in 1602, Tadatsune's father retained much of the authority until his demise in 1619.
The Shimazu clan's military prowess was renowned, and Tadatsune himself was celebrated for his valor. Notably, during Toyotomi Hideyoshi’s Korean Campaign, he and his father led an army of 8,000 samurai, repelling a Chinese Ming army of 100,000 soldiers.
In 1602, following the Battle of Sekigahara, Tadatsune pledged allegiance to Tokugawa Ieyasu, symbolizing loyalty, and was honored with the name Matsudaira Iehisa. This was a significant gesture as Matsudaira was Ieyasu’s original family name, and Tadatsune also adopted the first part of Ieyasu’s name as his given name, signifying a deep honor.
Tadatsune diligently worked to ensure the Shimazu clan's prosperity, rooting out corruption and disloyalty among his retainers. He strategically annexed the Ryukyu (Okinawan) Islands in the mid-1609, allowing them semi-independence to facilitate trade with China, which believed the islands were under their control. This decision bolstered the Shimazu clan's economic strength and positioned Japan favorably in trade affairs.
Interestingly, the trade activities associated with the Ryukyu Islands are believed to have introduced cockroaches to Japan, as these insects stowed away among the traded items and subsequently spread across the nation. Shimazu Tadatsune passed away on April 7, 1638, at the age of 62.
See also
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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.
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William Adams - Miura Anjin
William Adams, also known as Miura Anjin, holds the distinction of being one of the few non-Japanese individuals granted samurai status. Born in Gillingham, Kent, England in 1564, Adams embarked on a remarkable journey that led him to become an influential figure in Japanese history.
