Events in the year 1923 in Japan. It corresponds to TaishÃ
 12 (大æ£12å¹´) in the Japanese calendar.
Incumbents
Governors
Events
- April unknown date – Yamanouchi Pharmaceutical was founded, as predecessor part of Astellas Pharma.
- May 21âÂÂ25 – 1923 Far Eastern Games held in Osaka.
- August 24 – Prime Minister KatÃ
 TomosaburÃ
 dies in office.
- August 29 – Fuji Electric Manufacturing, later Fuji Electric was founded.
- September 1 – The Great KantÃ
 earthquake devastates Tokyo and Yokohama, killing an estimated 142,807 people, but according to a Japanese construction research center report in 2005, 105,000 are confirmed dead. Varied accounts indicate the duration of the earthquake was between four and ten minutes.
- September 1-21 - KantÃ
 Massacre: Young Japanese vigilante groups, driven by rumors of a Korean revolt, attack and murder thousands of Korean residents.
- September 2
- Yamamoto GonnohyÃ
Âe is appointed Prime Minister of Japan.
- Martial law declared in Tokyo districts
- September 3–5 – Kameido incident
- September 4 – The area of martial law is expanded to cover all of Tokyo, Kanagawa, Chiba, and Saitama prefectures.
- September 7 – A Curfew is issued in Tokyo.
- September 16 – Amakasu Incident: The feminist Noe ItÃ
 and her partner, the anarchist Sakae Ã
Âsugi are beaten and killed by a police squadron led by Lieutenant Amakasu Masahiko, along with Ã
Âsugi's six-year-old nephew, and their bodies disposed in a well. Following countrywide outcry, Amakasu was court-martialed and sentenced to 10 years in prison.
- December 27 – Toranomon Incident: An assassination attempt is made on the crown prince Hirohito in Tokyo by Daisuke Namba, but the attempt fails.
- Unknown date –Yamanouchi Pharmacy, as predecessor of Astellas was founded.
Births
Deaths
- January 8 – Shimamura Hayao, Marine Admiral (b. 1858)
- February 3 – Kuroki Tamemoto general (b. 1844)
- February 4 – Prince Fushimi Sadanaru, Field Marshal (b. 1858)
- April 1 – Prince Naruhisa Kitashirakawa, military personnel (b. 1887)
- June 9
- Takeo Arishima, novelist, writer and essayist (suicide) (b. 1878)
- Akiko Hatano, journalist (suicide) (b. 1894)
- June 19 – ShÃ
 ShÃ
Â, member of the House of Peers (b. 1888)
- August 24 – KatÃ
 TomosaburÃ
Â, Prime Minister of Japan (b. 1861)
- September 1 – Matsuoka Yasukowa, politician and cabinet minister (B. 1846)
- September 2 – Kuriyagawa Hakuson, literary critic (b. 1880)
- September 16
- Noe ItÃ
Â, anarchist, social critic and author (b. 1895)
- Sakae Ã
Âsugi, anarchist (b. 1885)
- November 8 – Fusakichi Omori, seismologist (b. 1868)
- November 26 – Otani Kikuzo, general (b. 1856)
- December 29 – KÃ
Âno Hironaka, politician (b. 1849)
See also
References