Japanese:禁門の変(Kinmon no hen), 蛤御門の変(Hamaguri gomon no hen)
Choshu Sonnô Jôi extremists were expelled from Kyoto after Political change on August 18(1863).
1864/6/5, Some of them who returned to Kyoto were killed or captured by the Shinsengumi at Ikedaya. The incident made Choshu extremists take a military action against Satsuma and Aizu.
1864/7, Choshu han Karô Fukuhara Echigo, Kunishi Shinano, Masuda Uemonnosuke took troops to Kyoto. Kijima Matabei, Kuzaka Genzui and Maki Izumi were among them.
7/19, The Choshu troops and Satsuma Aizu Kuwana troops clashed near Hamaguri gate of the Imperial palace. Kijima and Kunishi were killed in the battle. Maki and Kuzaka committed Seppuku.
The fire set by Choshu troops while withdrawing damaged the town.
References
- Bakumatsu Boshin Seinan Senso (幕末戊辰西南戦争)