Prime Minister Hara Takashi assassinated at Tokyo StationNov 4, 1921Labels: Hara Takashi, Tokyo StationNdl ArchivesBritannica
Japanese Communist Party founded and soon driven undergroundJul 15, 1922Labels: Japanese Communist, TokyoBritannicaWikipedia
Peace Preservation Law enacted to criminalize radicalismApr 22, 1925Labels: Peace Preservation, kokutaiWikipedia
Universal Manhood Suffrage Law passed and promulgatedMay 5, 1925Labels: Universal Suffrage, electoral reformWikipedia
Zhang Zuolin assassinated in Huanggutun IncidentJun 4, 1928Labels: Zhang Zuolin, Kwantung ArmyWikipedia
Sakurakai secret society established within the ArmySep 1, 1930Labels: Sakurakai, Imperial JapaneseWikipedia
Prime Minister Hamaguchi shot at Tokyo StationNov 14, 1930Labels: Hamaguchi Osachi, Tokyo StationBritannicaWikimedia
March Incident attempted coup collapsesMar 1, 1931Labels: March Incident, SakurakaiWikipediaWikipedia
Mukden Incident triggers Army-led Manchurian escalationSep 18, 1931Labels: Mukden Incident, Kwantung ArmyBritannicaWikipedia
Army Minister Araki Sadao appointed under InukaiDec 31, 1931Labels: Araki Sadao, Inukai CabinetBritannicaWikipedia
Prime Minister Inukai assassinated in May 15 IncidentMay 15, 1932Labels: Inukai Tsuyoshi, May 15BritannicaWikipedia
Nagata Tetsuzan murdered in Aizawa IncidentAug 12, 1935Labels: Aizawa Incident, Nagata TetsuzanWikipediaWikipedia
February 26 Incident attempted coup shakes TokyoFeb 26, 1936Labels: February 26, young officersWikipedia