Events That Happened on October 11
- 1873 CELeague of the Three Emperors
- 1922 CEArmistice of Mudanya
- 1413 CEUnion of Horodło
- 1698 CETreaty of The Hague
- 1865 CEMorant Bay rebellion
- 1997 CEConstitution of the Kingdom of Thailand, 2540 Buddhist Era
- 1357 CETreaty of Berwick
- 2002 CEMyyrmanni bombing
- 2007 CEMurder of Dean Shillingsworth
- 2017 CEEastern Syria insurgency
- 1842 CESac and Fox Treaty of 1842
- 1991 CEMalaysia-United Arab Emirates Bilateral Investment Treaty
- 1993 CEParaguay-Spain Bilateral Investment Treaty
- 1995 CEFrance-South Africa Bilateral Investment Treaty
- 1996 CECentral African Republic-India Bilateral Investment Treaty
- 1996 CEAustria-People's Republic of China Bilateral Investment Treaty
Natural Disasters on October 11
Records from scientific disaster catalogs that fall on this calendar day. All disaster records
- 367 CEEarthquake — Turkey, Iznik, Nicaea· 1,000 deaths
- 1918 CEEarthquake and tsunami — Puerto Rico, Mona Passage (Mw 7.1)· 144 deaths
- 1993 CEFlood: India (1993-10-11)· 35 deaths
- 2018 CEFlood: Uganda (2018-10-11)· 34 deaths
- 2004 CEFlood: Colombia (2004-10-11)· 30 deaths
- 2021 CEFlood: India (2021-10-11)· 23 deaths
- 1946 CEFluvial (Riverine) Flooding: Albania (1946-10-11)· 15 deaths
- 2008 CEEarthquake — Russia, Caucasus: Chechnya (Mw 5.7)· 13 deaths
- 1970 CEFlash Flooding: Spain (1970-10-11)· 8 deaths
- 2018 CEFlood: India (2018-10-11)· 7 deaths
- 2023 CEEarthquake — Afghanistan, Herat (Mw 6.3)· 3 deaths
- 1988 CEFluvial (Riverine) Flooding: France (1988-10-11)· 3 deaths
- 2007 CEFlash Flooding: Spain (2007-10-11)· 2 deaths
- 2025 CEEarthquake — Ethiopia, Berahile (Mw 5.6)· 1 deaths
- 2016 CEFluvial (Riverine) Flooding: Romania (2016-10-11)· 1 deaths
- 2015 CEFlash Flooding: Albania (2015-10-11)· 1 deaths
- 1966 CEFluvial (Riverine) Flooding: Italy (1966-10-11)· 1 deaths
- 2025 CEFluvial (Riverine) Flooding: Spain (2025-10-11)· 0 deaths
- 1955 CEFlash Flooding: Italy (1955-10-11)· 0 deaths
- 1986 CEFluvial (Riverine) Flooding: Spain (1986-10-11)· 0 deaths
- 2013 CEFlood: Peru (2013-10-11)· 0 deaths
- 2016 CEFlood: Canada (2016-10-11)· 0 deaths
- 2000 CEFlood: United Kingdom of Great Britain and Northern Ireland (2000-10-11)· 0 deaths
- 1975 CEEarthquake — Tonga Islands, S Of Tonga (Ms 7.8)