Hamaguri Gomon incident
Historical term for the 1864 clash between pro-shogunate and anti-shogunate forces at the Hamaguri Gate of the Kyoto Imperial Palace.
The Hamaguri Gomon incident was an armed clash that occurred in Kyoto at the end of the Edo period.
Named after the Hamaguri Gate (蛤御門) of the Kyoto Imperial Palace, where the incident took place. The exact origin of the gate's name is uncertain.