List of massacres in Japan
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|12–15 April 1638||Mass beheadings at the final days of the Shimabara revolt||inside and around Hara Castle, Minamishimabara||Shogunate army||37,000||Rebels and sympathizers were beheaded by military forces. Afterwards, the Hara Castle was also burned to the ground.|
|December 1696||Yoshiwara spree killing||Yoshiwara||Sano Jirōzaemon||?|
|1 March 1919||March 1st demonstrations||Korea under Japanese rule||Imperial Japanese Army||7,509||15,849 Koreans wounded|
|October 1920||Gando massacre||Jiandao||Imperial Japanese Army||5,000+|
|July 1922||Shinano River incident||Shinano River||Okura zaibatsu||100+||Documentation on death incomplete|
|September 1923||Kantō Massacre||Kantō region||police and vigilantes||6,000+||Multiple incidents|
|May 1938||Tsuyama massacre||Tsuyama||Mutsuo Toi||30||3 injured|
|July 1945||Hanaoka incident||Ōdate||Imperial Japanese Army||418||113 prisoners of war executed; 307 also died|
|6,9 August 1945||Atomic bombings of Hiroshima and Nagasaki||Hiroshima and Nagasaki||United States Army Air Forces||129,000–226,000||Bombing attacks by the Allied forces, specifically, the 509th Composite Group of the United States Army Air Forces . Two Nuclear weapons were dropped on the two respective cities of Hiroshima, and Nagasaki. Little Boy was detonated above Hiroshima at a height of 600 ± 15 m, at approximately 08:15 (JST), on 6 August, 1945. Fat Man was detonated at a height of 500m above Nagasaki at approximately 11:02 (JST), on 9 August, 1945. The original target for Fat Man's detonation was the city of Kokura; due to poor visibility, Nagasaki was the second chosen target.
The two bombings killed between 129,000 and 226,000 people. In Hiroshima, it is believed 20,000 soldiers were killed as well as 70,000–126,000 civilians. In Nagasaki, at least 150 soldiers, and 39,000–80,000 civilians were killed. Many deaths occurred within the months following the bombings, either as a result of traumatic injury, or radiation sickness. Japan subsequently surrendered to the Allies on 15 August, 1945, six days after the bombing of Nagasaki.
The bombing of Hiroshima, marked the second man-made nuclear explosion in history, after the Trinity Nuclear Test, on 16 July, 1945. The bombings remain the only use of nuclear weapons in armed conflict. Survivors of the Nuclear Attacks have been dubbed "Hibakusha"; translating literally to "person affected by a bomb".
|26 January 1948||Teigin case||Tokyo||Sadamichi Hirasawa||12||False verdict suspected|
|15 July 1949||Mitaka incident||Tokyo||Keisuke Takeuchi||8||20 injured. False verdict suspected|
|30 August 1974||Mitsubishi bombing||Tokyo||East Asia Anti-Japan Armed Front||8||376 injured|
|4 November 1989||Sakamoto family murder||Yokohama||Aum Shinrikyo||3|
|27–28 June 1994||Matsumoto incident||Matsumoto||Aum Shinrikyo||8||500+ injured|
|20 March 1995||Tokyo subway sarin attack||Tokyo||Aum Shinrikyo||13||6,252 injured|
|25 July 1998||Wakayama arsenic poison case||Sonobe district of Wakayama, Wakayama||Masumi Hayashi||4||64 injured|
|29 September 1999||Shimonoseki Station massacre||Shimonoseki||Yasuaki Uwabe||5||10 injured|
|20 December 2000||Setagaya family murder||Setagaya||Unknown||4||Perpetrator never caught|
|8 June 2001||Osaka school massacre||Ikeda||Mamoru Takuma||8||15 injured|
|1 September 2001||Myojo 56 building fire||Shinjuku||Unknown||44||Perpetrator never caught|
|8 June 2008||Akihabara massacre||Chiyoda||Tomohiro Katō||7||10 injured|
|1 October 2008||Osaka Movie Theater fire||Osaka||Kazuhiro Ogawa||16||Perpetrator's name never revealed to the public.[dubious ]|
|26 July 2016||Sagamihara stabbings||Sagamihara||Satoshi Uematsu||19||26 injured|
|6 October 2017||Hitachi City apartment arson||Ibaraki||Hirobumi Komatsu||6|
|28 May 2019||Kawasaki stabbings||Kawasaki||Ryuichi Iwasaki||3||16 injured|
|18 July 2019||Kyoto Animation arson attack||Kyoto||Shinji Aoba||36||33 injured|
- Eckhardt Fuchs, Tokushi Kasahara, Sven Saaler (4 December 2017). A New Modern History of East Asia. p. 196. ISBN 978-3737007085. Retrieved 2018-03-03.
The Japanese forces then carried out the Gando Massacre, in which they indiscriminately attacked Koreans living in Eastern Manchuria and other regions, killing over 5,000 and burning down more than 3,500 homes.CS1 maint: multiple names: authors list (link)
- "Courts ignore reasonable doubt: lawyers". The Japan Times. 2006-11-16. Archived from the original on 2008-10-25. Retrieved 2008-02-04.
- Fox News:Fire at Japanese Adult Video Theater Kills 15
- Channel News Asia Five Children, Women dead in Japan 'arson attack':Reports
- The Japan Times 
- "Death toll from arson attack on Kyoto Animation studio rises to 36". japantoday.com. Retrieved 2019-10-05.