Kinmon incident
Battle
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The Kinmon incident, also known as the Hamaguri Gate Rebellion, was a rebellion against the Tokugawa shogunate in Japan that took place on the 20th of August [lunar calendar: 19th day, 7th month], 1864, near the Imperial Palace in Kyoto. Wikipedia
Date: August 20, 1864
3,000 men (1,400 Chōshū army + 1,600 rōnin force): 50,000 men
Fukuhara Echigo: Tokugawa Yoshinobu
Location: Kyoto and Hamaguri Gomon Gate