Recognized as the Tiger of Kai, Takeda Shingen was not only a brilliant military strategist but also an innovator ahead of his time. From a young age, he showcased his prowess in battle, notably at the age of 15 during the Battle of Un no Kuchi in 1536. However, his greatest achievement came when he orchestrated a bloodless coup against his father to ascend as the undisputed leader of the Takeda clan.
Under Shingen's command, the Takeda forces engaged in a series of campaigns and sieges, including the renowned Battles of Kawanakajima against Uesugi Kenshin. One of his notable tactics was to position warriors clad in red lacquered armor at the forefront of his armies, a psychological strategy that struck fear into the hearts of his adversaries and was later emulated by the Ii clan.
Shingen's most significant contribution to warfare was his development of the cavalry charge. Recognizing the evolving battlefield dynamics with the rise of foot soldiers, he transformed his horsemen into lancers, forming the formidable Takeda Kiba Gundan. This cavalry charge tactic proved devastatingly effective, cementing Shingen's reputation as an indomitable force on the battlefield.
Legend has it that Shingen crafted the Shingen Tsuba, also known as the Takeda Tsuba, by wrapping brass wire around a large iron sukashi tsuba while awaiting battle. This ingenious method helped him maintain calmness and clarity of mind. Inspired by his example, many of his followers adopted similar tsuba designs, a tradition that endured into the Edo period.
Additionally, Shingen is attributed with the invention of the water flush toilet, demonstrating his concern for hygiene. Numerous monuments in and around Nagano Prefecture commemorate his use of these innovative facilities.
Furthermore, Shingen's contributions extended beyond warfare and sanitation. He oversaw the construction of the extensive Shingen Zutsumi dikes along the Kamanashi segments of the Fuji River, effectively preventing flooding and marking one of the most ambitious public works projects of the 16th century.
Despite his formidable reputation, Shingen's laws were known for their fairness. He replaced corporal punishment with financial fines for minor offenses, earning him admiration from the people of Kai Province. However, it's worth noting that he also employed two large iron cauldrons for executing certain criminals, a practice later abolished by Tokugawa Ieyasu due to its perceived cruelty.
Shingen's economic reforms were groundbreaking for his time. He implemented uniform taxation across most of his subjects and introduced the option of paying taxes in either gold or rice—a departure from the common practice of exempting powerful samurai families, shrines, and temples from taxes.
One of the most notable displays of Shingen's political acumen was evident after the defeat of his son, Katsuyori, when Ieyasu assumed control of Kai. Ieyasu retained many of Shingen's governance strategies, which later served as the blueprint for the Tokugawa Shogunate.
Shingen had territorial ambitions in Mikawa and Owari districts (now part of Aichi Prefecture). In 1571, a Takeda expeditionary force briefly seized Noda Castle, which belonged to the Okudaira clan, later known as the Tokugawa clan.
In 1573, Shingen launched another assault on Mikawa and Noda Castle. However, this time, the castle's defenses had been reinforced, leading to a prolonged siege. As the defenders resisted, Shingen was fatally shot by a matchlock marksman on May 13, 1573. Although efforts were made to rush him home to Kai, he reportedly passed away en route. His death at the age of 49 remained a closely guarded secret. The gun believed to have been used in the assassination is preserved at the Shitagahara Museum in Nagashino, Aichi Prefecture.
See also
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Ouchi Yoshioki
Ouchi Yoshioki, the ruler of the provinces of Suo, Nagato, and Iwami, was one of the most capable military commanders and politicians of the late 15th and early 16th centuries. The son of Ouchi Masahiro, he governed from his residence in Yamaguchi in the province of Suo. In 1499, Yoshioki gave refuge to Shogun Ashikaga Yoshitane, who had been driven out of Kyoto by Hosokawa Masamoto. Shogun Yoshizumi, Masamoto’s protégé, ordered the lords of Kyushu to unite their forces against Yoshioki; however, they did not dare to do so, fearing the power of a man who by that time controlled six provinces. Having gathered a substantial army, Yoshioki marched from his native Suo toward Kyoto in order to restore Shogun Yoshitane to power.
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Otomo Sorin
Ōtomo Yoshishige came from a noble lineage, being the eldest son of Ōtomo Yoshiaki, the ruler of Funai Province. The roots of the Ōtomo family traced back to Fujiwara Hidesato, the adopted son of Nakahara Chikayoshi. Fujiwara served Minamoto Yoritomo during the Genpei War and took part in battles in Mutsu Province in 1189. In 1193, he was appointed shugo of Buzen and Bungo Provinces, after which he adopted a new surname—Ōtomo.
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Okudaira Sadamasa
Sadamasa was the son of Okudaira Sadayoshi and took part in several battles under Tokugawa Ieyasu, distinguishing himself in the Battle of Anegawa in 1570, where he took two heads. Around 1572 he was forced to enter the service of the Takeda clan, but after the death of Takeda Shingen in 1573 he returned to Tokugawa, leaving Tsukude Castle together with his men. As a result of this defection, Takeda Katsuyori ordered the execution of Sadamasa’s wife and brother, who were being held as hostages.
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Okubo Tadatika
Tadatika, the son of Okubo Tadayō, entered the service of Tokugawa Ieyasu at the age of eleven, and took his first head in battle when he was sixteen. After the establishment of the Tokugawa shogunate, he was appointed as a rōjū — a senior bakufu official — and was regarded as one of Ieyasu’s most trusted advisors, alongside Honda Masanobu. He is also known for his military chronicle Mikawa Monogatari, which describes Ieyasu’s rise to power and the early years of the Tokugawa shogunate.
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Okubo Nagayasu
Nagayasu was the second son of Okura Nobuyasu, a sarugaku theater actor from the Takeda clan. Takeda Shingen recognized the young man’s potential and took him into service, appointing him as a vassal to his general, Tsuchiya Masatsugu. During this period, Nagayasu changed his family name to Tsuchiya. He was entrusted with developing the Takeda clan’s gold mines as well as handling matters related to taxation.
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Nitta Yoshisada
Nitta Yoshisada was a loyal soldier of Emperor Go-Daigo, who in the 1330s attempted to restore direct imperial rule in Japan. The Nitta family was related to the Ashikaga house and was older in lineage. However, they did not join Minamoto Yoritomo at the start of his war with the Taira, as the Ashikaga did, and therefore did not receive high positions in the Kamakura shogunate. This may have been one of the reasons why Yoshisada rose against the Hōjō clan in 1333.
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Natsume Yoshinobu
Yoshinobu, a long-time vassal of the Matsudaira and Tokugawa clans, governed Hamamatsu Castle on behalf of the Tokugawa house. During the clashes between the Imagawa, Takeda, and Matsudaira clans, he served in the garrison of Nagasawa Castle and in 1562 took part in raids under the command of Itakura Shigezane. When, in 1563, a revolt of the Sōtō-shū sect followers broke out in Mikawa Province, Yoshinobu joined the rebels together with Honda Masanobu and Hachiya Sadatsugu.
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Nambu Nobunao
The Nambu clan was an ancient and powerful family that traced its lineage back to the Minamoto shoguns and had controlled a significant part of the Tohoku region in northern Honshu since the 12th century. Nobunao was born in Ikatai Castle, located in what is now the city of Iwate. He was the second son of Ishikawa (Nambu) Takanobu, the 22nd head of the Nambu clan. In 1565, Nobunao’s uncle, Nambu Harumasa, adopted him, brought him to Sannohe Castle, and named him his heir, later giving his daughter in marriage to him.
