TSUYAMA — 1938 · Major Tragedy

The Tsuyama Massacre

ClosedSources: ALast updated: 14 October 2026

A mass killing that took place on the night of 21 May 1938 in a small village belonging to Kamo, near Tsuyama in Okayama Prefecture. After cutting the village's power lines, a 21-year-old villager killed 30 people, including his own grandmother, within roughly an hour and a half, seriously injured three others, and took his own life on a nearby mountain at dawn. In notes he left behind he reportedly wrote that he had been ostracised in the village after a tuberculosis diagnosis and declared unfit for military service. The incident is regarded as the deadliest attack by a lone gunman in Japanese history and later inspired numerous films and literary works.

Date
1938
Place
Okayama Prefecture, Japan, Tsuyama, JP
Category
Major Tragedy
Case Status
Closed
Coordinates
35.1800, 133.9900 ↗

Timeline of Events

  1. 20 May 1938The perpetrator cut the village's power lines.
  2. 21 May 1938In an attack starting after midnight, 30 people were killed.
  1. 21 May 1938The perpetrator took his own life on a nearby mountain at dawn.
  2. 1983The film 'Ushimitsu no Mura', inspired by the incident, was released.

Sources

Source grade A: several independent sources, at least one an official record or reference work. If you spot a mistake or something missing, report it with "Suggest a correction" in the app.

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🕯️ This record was prepared with respect, in memory of those who lost their lives.