Events That Happened on April 1
- 1916 CEEaster Rising
- 1182 CEMassacre of the Latins
- 1909 CEAdana massacre
- 1936 CE1936–1939 Arab revolt in Palestine
- 2020 CE2020 Nova Scotia shooting
- 2024 CEIsraeli airstrike on the Iranian consulate in Damascus
- 1506 CELisbon Massacre
- 1514 CEDózsa Rebellion
- 1636 CELamey Island Massacre
- 1849 CETen Days of Brescia
- 1941 CEFântâna Albă massacre
- 1944 CEAscq massacre
- 1955 CECyprus Emergency
- 1964 CE1964 Hama riot
- 1979 CE1979 Khuzestan uprising
- 1981 CEKeddie Murders
- 1992 CEDoboj massacre
- 1993 CELašva Valley ethnic cleansing
- 2024 CEWorld Central Kitchen drone strikes
- 1326 CEtreaty of Corbeil
- 1687 CERevolt of the Barretinas
- 1822 CERoyalist War
- 1850 CEAnarchist Manifesto
- 1854 CE1854 Macedonian rebellion
- 1905 CEJapan–Korea Agreement of April 1905
- 1919 CE1919 United States anarchist bombings
- 1931 CEStennes Revolt
- 1944 CE1944 Greek naval mutiny
- 1945 CEMorotai Mutiny
- 1950 CE1950–1951 Baghdad bombings
- 1966 CE1966 Hong Kong riots
- 1972 CE1972 Genocide of Burundian Hutus
- 1980 CEMisgav Am hostage crisis
- 1981 CEGaruda Indonesia Flight 206
- 2022 CE2022 Sweden riots
- 1506 CEMalus Intercursus
- 1562 CEMassacre of Sens
- 1703 CEMoulin de l'Agau massacre
- 1782 CEGeneva Revolution of 1782
- 1788 CE1788 Doctors' Riot
Natural Disasters on April 1
Records from scientific disaster catalogs that fall on this calendar day. All disaster records
- 1700 CETsunami — Nagasaki Prefecture· 1,001 deaths
- 2017 CEFlood: Colombia (2017-04-01)· 314 deaths
- 1946 CEEarthquake and tsunami — Alaska, Unimak Island (Mw 8.6)· 168 deaths
- 2013 CEFlood: Argentina (2013-04-01)· 59 deaths
- 2007 CEEarthquake and tsunami — Solomon Islands (Mw 8.1)· 52 deaths
- 1992 CEFlood: Argentina,Brazil (1992-04-01)· 37 deaths
- 2002 CEEarthquake — Papua New Guinea, Morobe (Mw 5.3)· 36 deaths
- 2014 CEFlood: Solomon Islands (2014-04-01)· 23 deaths
- 1962 CEEarthquake — Iran, Mussavieh (Mw 5.8)· 20 deaths
- 2023 CEFlood: Angola (2023-04-01)· 20 deaths
- 2011 CEFlood: Indonesia (2011-04-01)· 18 deaths
- 2019 CEFlood: Colombia (2019-04-01)· 10 deaths
- 2014 CEEarthquake and tsunami — Chile, Northern: Iquique, Alto Hospicio (Mw 8.2)· 7 deaths
- 1992 CEFlood: China (1992-04-01)· 5 deaths
- 2010 CEFlood: United States of America,Canada (2010-04-01)· 5 deaths
- 2015 CEFlood: Brazil (2015-04-01)· 5 deaths
- 2021 CEFlood: Colombia (2021-04-01)· 3 deaths
- 1917 CEOkataina· 2 deaths
- 1951 CESnowmelt Flooding: Sweden (1951-04-01)· 2 deaths
- 2014 CEFlood: United States of America (2014-04-01)· 2 deaths
- 2005 CEFlood: United States of America (2005-04-01)· 2 deaths
- 1968 CEEarthquake — Japan, Kyushu, Shikoku (Ms 7.5)· 1 deaths