Ōnin War

15th-century civil war in Japan Ōnin War19th-century print by Utagawa Yoshitora depicting a battleDate1467–1477 (10 years)LocationThroughout Japan, though most intense fighting in Kyoto and Yamashiro ProvinceResult Hosokawa victory both sides are militarily exhausted and the Ōuchi abandon Kyoto. Hosokawa clan gains control of the shogunate and Ashikaga Yoshihisa becomes shōgun Most of Kyoto destroyed Emergence of the Ikkō-ikki Continuing civil war within the Hatakeyama clan Disintegration of the power of the shogunate, beginning of the Sengoku periodBelligerents Eastern Camp: Hosokawa clan Hatakeyama clan (pro-Masanaga faction) Shiba clan (pro-Yoshitoshi faction) others Western Camp: Yamana clan Ōuchi clan Hatakeyama clan (pro-Yoshinari faction) Shiba clan (pro-Yoshikado faction) othersCommanders and leaders Hosokawa KatsumotoHatakeyama MasanagaShiba Yoshitoshiothers Yamana SōzenŌuchi MasahiroHatakeyama YoshinariShiba YoshikadoothersStrength c. 160,000 c. 116,000 The Ōnin War (応仁の乱, Ōnin no Ran), also known as the Upheaval of Ōnin and Ōnin-Bunmei war, was a civil war that lasted from 1467 to 1477, during the Muromachi period in Japan. Ōnin refers to the Japane