Events That Happened on August 11
- 1920 CELatvian–Soviet Peace Treaty (1920)
- 1971 CEBallymurphy massacre
- 1943 CEOperation Hermann
- 1945 CEKraków pogrom
- 1830 CEPedemonte-Mosquera Protocol
- 1977 CE1977 Aruba general strike
- 2013 CEKonduga mosque shooting
- 1817 CETreaty of Madrid
- 1827 CETreaty of Butte des Morts
- 1971 CEdouble tax agreement between Germany and Switzerland on income and capital taxes
- 1976 CEFrance-Malta Bilateral Investment Treaty
- 1993 CEGermany-Paraguay Bilateral Investment Treaty
- 1993 CEHungary-Paraguay Bilateral Investment Treaty
- 2000 CECosta Rica-South Korea Bilateral Investment Treaty
Natural Disasters on August 11
Records from scientific disaster catalogs that fall on this calendar day. All disaster records
- 1831 CEEarthquake — Barbados, Saint Vincent, Dominica, Antigua· 3,000 deaths
- 2012 CEEarthquake — Iran, Ahar, Haris, Varzagan (Mw 6.5)· 306 deaths
- 2008 CEFlood: Thailand (2008-08-11)· 130 deaths
- 2017 CEFlood: Nepal (2017-08-11)· 62 deaths
- 2021 CEFlood: Türkiye (2021-08-11)· 59 deaths
- 1995 CEFlood: Ethiopia (1995-08-11)· 44 deaths
- 2002 CEFlood: India (2002-08-11)· 33 deaths
- 2014 CEFlood: India (2014-08-11)· 31 deaths
- 2002 CEFluvial (Riverine) Flooding: Germany (2002-08-11)· 27 deaths
- 2014 CEFlood: China (2014-08-11)· 27 deaths
- 1999 CEFlood: Bangladesh,India (1999-08-11)· 18 deaths
- 1900 CEEarthquake and tsunami — Alaska, Se. Alaska· 5 deaths
- 2022 CEFlood: Cameroon (2022-08-11)· 5 deaths
- 1988 CEFlood: Uganda (1988-08-11)· 5 deaths
- 1904 CEEarthquake — Greece, Samos, Patmos (Mw 6.1)· 4 deaths
- 1990 CEEarthquake — Ecuador, Pamasqui, Quito (Ms 4.4)· 4 deaths
- 1805 CEVesuvius· 4 deaths
- 1934 CEEarthquake — Taiwan, Yilan (Ms 6.5)· 3 deaths
- 1903 CEEarthquake — Greece, Mitata (Kythera) (Ms 7.8)· 2 deaths
- 2022 CEFlood: United States of America (2022-08-11)· 2 deaths
- 2014 CEFlood: Indonesia (2014-08-11)· 2 deaths
- 2021 CEFlood: Somalia (2021-08-11)· 2 deaths
- 1996 CEFlash Flooding: Italy (1996-08-11)· 2 deaths
- 2021 CEEarthquake — Philippines, Mindanao (Mw 7.1)· 1 deaths