Episode 1 of 3

Assassination at Sakurada Gate

When
March 24, 1860
Where
Sakurada Gate, Edo Castle
Part of
Sakuradamon Incident

Rōnin samurai from Mito and Satsuma domains assassinated Tairō Ii Naosuke outside the Sakurada Gate of Edo Castle on March 24, 1860.

The attack occurred during the Double Third Festival as Ii approached Edo Castle. A band of 17 Mito and 1 Satsuma samurai cut down Ii near the gate, ending his 20-month dictatorial reign.

Sources

  1. Sakuradamon Incident (1860) Wikipedia, revision of 2026-09-18
  2. Ii Naosuke Wikipedia, revision of 2026-09-14

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.