Events That Happened on August 21
- 2013 CEAugust 2013 Ghouta chemical attack
- 1863 CELawrence Massacre
- 1937 CESino-Soviet Non-Aggression Pact
- 1992 CEKorićani Cliffs massacre
- 1995 CE1995 Constitution of Ethiopia
- 2015 CE2015 Thalys train attack
- 1791 CE1791 slave rebellion
- 1969 CEAl-Aqsa Mosque fire
- 1974 CETreaty of Jeddah
- 1979 CELagos Accord
- 1983 CEassassination of Benigno Aquino, Jr.
- 2006 CE2006 Moscow market bombing
- 2008 CE2008 Wah bombing
- 935 CEFatimid sack of Genoa
- 1871 CETreaty 2
- 1971 CEPlaza Miranda bombing
- 1805 CETreaty of Grouseland
- 2001 CEItaly-Tanzania Bilateral Investment Treaty
Natural Disasters on August 21
Records from scientific disaster catalogs that fall on this calendar day. All disaster records
- 1042 CEEarthquake — Iran, Tabriz· 40,000 deaths
- 1986 CEOku Volcanic Field· 1,700 deaths
- 1994 CEFlood: China (1994-08-21)· 762 deaths
- 1993 CEFlood: China (1993-08-21)· 152 deaths
- 1928 CEEarthquake — Iran, Shirvan (Mw 5.6)· 30 deaths
- 2005 CEFlood: Mexico (2005-08-21)· 30 deaths
- 2004 CEFlood: Nigeria (2004-08-21)· 25 deaths
- 2021 CEFlood: United States of America (2021-08-21)· 22 deaths
- 1962 CEEarthquake — Italy, S (M 6.1)· 16 deaths
- 2000 CEFlood: Viet Nam,Thailand (2000-08-21)· 14 deaths
- 2020 CEFlood: India (2020-08-21)· 13 deaths
- 2005 CEFlood: Switzerland,Austria (2005-08-21)· 12 deaths
- 1988 CEFlood: Burkina Faso (1988-08-21)· 11 deaths
- 2020 CEFlood: Haiti,Dominican Republic (2020-08-21)· 11 deaths
- 2018 CEEarthquake and tsunami — Venezuela, Sucre, Trinidad (Mw 7.3)· 5 deaths
- 2008 CEEarthquake — China, Yunnan Province (Mw 6)· 5 deaths
- 1856 CEEarthquake and tsunami — Algeria, Northern· 5 deaths
- 2005 CEFluvial (Riverine) Flooding: Austria (2005-08-21)· 4 deaths
- 2022 CEFlood: Indonesia (2022-08-21)· 3 deaths
- 2017 CEEarthquake — Italy, Ischia Island (Mb 4.2)· 2 deaths
- 2005 CEFluvial (Riverine) Flooding: Germany (2005-08-21)· 2 deaths
- 2000 CEEarthquake — China, Yunnan Province: Wuding (Ms 4.2)· 1 deaths