Red Flag Incident

Political rally in Tokyo on 22 June 1908, in which the release of Koken Yamaguchi from prison was met with by crowd waving red flags; the police suppressed the demonstration, and 10 activists were arrested

The Red Flag Incident (Japanese: 赤旗事件, Hepburn: Akahata Jiken) refers to a political rally that took place in Tokyo, Japan, on June 22, 1908. In the mixed political climate of the late Meiji and early Taishō period, celebrated political activist and anarchist Koken Yamaguchi was discharged from a term in prison.