| Hamaguri rebellion 蛤御門の変・禁門の変 |
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| Part of Bakumatsu conflicts | |||||||
An 1893 ukiyo-e print by Yūzan Mori, depicting the Hamaguri rebellion. |
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| Belligerents | |||||||
| Chōshū Domain Sonnō Jōi Rōnin force |
Tokugawa shogunate Aizu Domain Satsuma Domain Mito Domain Owari Domain Kii Domain Kuwana Domain Ōgaki Domain Echizen Domain Hikone Domain Yodo Domain Asao Domain Shinsengumi Mimawarigumi Yūgekitai |
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| Commanders and leaders | |||||||
| Tokugawa Yoshinobu | |||||||
| Strength | |||||||
| 3,000 men (1,400 Chōshū army + 1,600 Rōnin force) | 50,000 men | ||||||
| Casualties and losses | |||||||
| 400 killed or wounded | 60 killed or wounded, 28,000 houses burnt down |
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The rebellion at the Hamaguri Gate (蛤御門の変 Hamagurigomon no Hen, also 禁門の変 Kinmon no Hen) of the Imperial Palace in Kyoto took place on August 20, 1864 and reflected the discontent of pro-imperial and anti-alien groups. The rebels were grouped under the Sonnō Jōi slogan which had been promulgated by the Emperor as the "Order to expel barbarians" in March 1863, and wished to take control of the Emperor himself to accomplish the restoration of the Imperial throne.
During the bloody crushing of the rebellion, the leading Chōshū clan was held responsible for it.
During the incident, the Aizu and Satsuma domains led the defense of the Imperial palace.
The Shogunate followed up the incident with a retaliatory armed expedition, the First Chōshū expedition, in September 1864.