The Tsuyama massacre was a murder spree that occurred on 21 May 1938 in the very rural village close to Tsuyama city in Okayama, Japan. The massacre resulted in the deaths of 30 people and the serious injury of 3. This number of victims had been considered the world's worst massacre by a single criminal for a long time, up until Woo Bum-Kon killed 57 people (the number varies by sources) in 1982 in South Korea. A spree killer is someone who embarks on a murderous rampage. ... May 21 is the 141st day of the year in the Gregorian calendar (142nd in leap years). ... 1938 (MCMXXXVIII) was a common year starting on Saturday (link will take you to calendar). ... Tsuyama (津山市; -shi) is a city located in Okayama, Japan. ... Okayama (岡山市; -shi) is the capital city of Okayama Prefecture in the Chugoku region of Japan. ... Woo Bum-Kon (February 24, 1955-April 27, 1982) [alternatively spelled Image:Woo-bum-kon. ... 1982 (MCMLXXXII) was a common year starting on Friday of the Gregorian calendar. ...

Mutsuo Toi, a 21-year-old male, made preparation in the evening on 20 May. He cut the electric wire and brought blackout to the village. At around 1:30am on 21 May, he started his murder with his own grandmother, who brought him up after his parents passed away when he was a baby. After that, he took up a rifle and Japanese swords, and killed 29 neighbors in about one hour and half. He committed suicide after finishing the massacre. May 20 is the 140th day of the year in the Gregorian Calendar (141st in leap years). ... Katana of the 16th or 17th Century, with its saya. ... Suicide (from Latin sui caedere, to kill oneself) is the act of willfully ending ones own life. ...

Toi left several long notes. Accoding to them, he killed the neighbours because they threw bad words to him after he was found to have tuberculosis, which was considered incurable at the time. He regretted that he could not shoot several people he had intended to, while shooting other people he had not intended to. He also wrote that he killed his grandmother at first because he can't bear leaving her as the "murderer's grandmother". Tuberculosis (commonly shortened to TB) is an infection caused by the bacterium Mycobacterium tuberculosis, which most commonly affects the lungs (pulmonary TB) but can also affect the central nervous system (meningitis), lymphatic system, circulatory system (Miliary tuberculosis), genitourinary system, bones and joints. ...

External links

• Mugen Kairo Tsuyama massacre