Events That Happened on August 20
- 636 CEBattle of Yarmouk
- 1323 CETreaty of Nöteborg
- 2016 CEAugust 2016 Gaziantep bombing
- 2022 CEkilling of Darya Dugina
- 1940 CEassassination of Leon Trotsky
- 1955 CEMassacre of Oued-Zem (1955)
- 1988 CEBallygawley bus bombing
- 1997 CESouhane massacre
- 2025 CE2025 Gaza City offensive
- 1944 CESaint-Genis-Laval massacre
- 2012 CE2012 Caracas prison riot
- 1999 CECuba-Guatemala Bilateral Investment Treaty
- 1999 CEArgentina-India Bilateral Investment Treaty
Natural Disasters on August 20
Records from scientific disaster catalogs that fall on this calendar day. All disaster records
- 943 CEEarthquake — Turkmenistan, Nisa· 5,000 deaths
- 1988 CEEarthquake and tsunami — Nepal-India, Kathmandu, Bihar (Ms 6.6)· 998 deaths
- 2006 CEFlood: Thailand (2006-08-20)· 195 deaths
- 2018 CEFlood: Nigeria (2018-08-20)· 108 deaths
- 1991 CEFlood: Japan (1991-08-20)· 99 deaths
- 2001 CEFlood: India (2001-08-20)· 65 deaths
- 1988 CEFlood: Chad (1988-08-20)· 51 deaths
- 2011 CEFlood: Uganda,Kenya (2011-08-20)· 31 deaths
- 2014 CEFlood: Bangladesh (2014-08-20)· 17 deaths
- 2008 CEFlood: United States of America (2008-08-20)· 12 deaths
- 1993 CEFlood: Republic of Korea (1993-08-20)· 12 deaths
- 2001 CEFlood: Viet Nam (2001-08-20)· 11 deaths
- 2020 CEFlood: Chad,Cameroon (2020-08-20)· 10 deaths
- 1994 CEFlood: India (1994-08-20)· 9 deaths
- 1935 CEFlash Flooding: Italy (1935-08-20)· 8 deaths
- 2019 CEFlood: Morocco (2019-08-20)· 7 deaths
- 1989 CEEarthquake — Djibouti, Galafi, Yabaki, Ethiopia (Ms 6.3)· 6 deaths
- 1930 CEAsamayama· 6 deaths
- 1943 CEFlash Flooding: France (1943-08-20)· 5 deaths
- 1994 CEFlood: Ecuador (1994-08-20)· 5 deaths
- 1931 CEAsamayama· 3 deaths
- 2008 CEFlood: Ethiopia (2008-08-20)· 3 deaths
- 1957 CEFlash Flooding: Italy (1957-08-20)· 3 deaths
- 2005 CEFlood: Ethiopia (2005-08-20)· 3 deaths