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Battles, incidents, and historical events related to Japanese swords
4 events
Erupted in the 9th month of Eiroku 6 (1563); the Battle of Batōga-hara was fought on the 15th day of the 1st month of Eiroku 7 (1564), and a truce followed in spring of the same year
From the 9th month of Eiroku 6 (1563) to the spring of Eiroku 7 (1564), Jōdo Shinshū (Hongan-ji) followers in Mikawa Province and the "Three Temples of Mikawa" (Honshōji, Jōgūji, Shōmanji) rose up against the rule of Matsudaira Ieyasu. Part of Ieyasu's own retainer band defected to the rebel side, splitting his forces, but Ieyasu's side prevailed at the Battle of Batōga-hara and a truce followed.
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Eishō 3 (1506) – Eishō 17 (1520)
From Eishō 3 (1506) to Eishō 17 (1520), a large-scale civil war spanning Kantō, Echigo, and Hokuriku grew out of the rebellion of Nagao Tamekage in Echigo. After Tamekage defeated the Echigo shugo, Uesugi Fusayoshi, the Kantō kanrei Uesugi Akisada took up arms in revenge, and the conflict spread to an internal dispute within the Yamanouchi Uesugi clan and to the Koga kubō household. At the Battle of Nagamorihara, Uesugi Akisada was killed in action, and the authority of the Kantō kanrei steadily weakened. The Later Hōjō clan then seized the opportunity to advance into Kantō, opening the path to becoming sengoku daimyo. The incident symbolizes both the decline of the Muromachi shogunate and the dramatic rise of daimyo power.
6th month, Bunmei 8 (1476) to 24th day of the 6th month, Bunmei 12 (1480)
In 1476 Nagao Kageharu, passed over for the post of chief retainer of the Yamanouchi Uesugi, rebelled and in the first month of 1477 overran the Igako camp. Ōta Dōkan's campaigns destroyed the Toshima and other allies, and in the sixth month of 1480 Kageharu was driven out of Musashi.
Imagawa Ujiteru and Hikogorō died suddenly on the 17th day of the 3rd month of Tenbun 5 (April 7, 1536); the conflict ended with Etan's suicide on the 10th day of the 6th month (June 28, 1536)
In 1536, the sudden deaths of Imagawa Ujiteru and his brother Hikogorō triggered a succession struggle within the Imagawa clan. Forces backing Senkaku Shōhō (the future Imagawa Yoshimoto) fought those backing Genkō Etan across Suruga Province; the fall of Hanakura Castle and Etan's suicide left Yoshimoto as head of the clan.