Events That Happened on May 1
- 1358 CEJacquerie
- 1853 CEConstitution of Argentina
- 1921 CE1921 Jaffa riots
- 1937 CEDersim massacre
- 1945 CEBleiburg repatriations
- 1082 CEByzantine–Venetian Treaty of 1082
- 1084 CESack of Rome
- 1450 CEJack Cade's Rebellion
- 1756 CETreaty of Versailles
- 1757 CETreaty of Versailles
- 1848 CEGreater Poland Uprising of 1848
- 1849 CEConvention of Balta Liman
- 1876 CEBatak massacre
- 1920 CE1920 Georgian coup attempt
- 1920 CEMay Uprising
- 1929 CEBlutmai
- 1945 CEKočevski Rog massacre
- 1947 CEPortella della Ginestra massacro
- 1967 CEHong Kong 1967 leftist riots
- 2010 CE2010 Times Square car bombing attempt
- 1274 BCEBattle of Kadesh
- 1096 CEWorms massacre
- 1759 CETreaty of Versailles
- 1853 CEArgentine Constitution of 1853
- 1858 CEMahtra War
- 1865 CETreaty of the Triple Alliance
- 1905 CEAlfonse Pogrom
- 1909 CERed Week
- 1909 CEHauran Druze Rebellion
- 1911 CETorreón massacre
- 1918 CERumburk rebellion
- 1919 CEMahmud Barzanji revolts
- 1940 CEVinkt Massacre
- 1941 CEStrike of the 100,000
- 1948 CEEin al-Zeitun massacre
- 1950 CECazin uprising
- 1952 CEBloody May Day
- 1977 CEBloody May Day
- 1979 CEConstitution of the Marshall Islands
- 1980 CEYouth riots in Switzerland
Natural Disasters on May 1
Records from scientific disaster catalogs that fall on this calendar day. All disaster records
- 1929 CEEarthquake — Iran, Kopet-Dagh (Mw 7.2)· 3,800 deaths
- 1935 CEEarthquake — Turkey, Kigi (Mw 6.1)· 540 deaths
- 2003 CEEarthquake — Turkey, Bingol (Mw 6.4)· 177 deaths
- 1994 CEEarthquake — Afghanistan, Hindu Kush: Tashiak, Termiz (Mw 6.1)· 160 deaths
- 1998 CEFlood: Italy (1998-05-01)· 148 deaths
- 1994 CEFlood: China (1994-05-01)· 95 deaths
- 1994 CEFlood: China (1994-05-01)· 70 deaths
- 1993 CEFlood: China (1993-05-01)· 65 deaths
- 2015 CEFlood: Colombia (2015-05-01)· 58 deaths
- 1995 CEFlood: Indonesia (1995-05-01)· 55 deaths
- 2023 CEFlood: Ethiopia (2023-05-01)· 38 deaths
- 2010 CEFlood: United States of America (2010-05-01)· 30 deaths
- 1939 CEEarthquake and tsunami — Japan, Honshu: Nw (Ms 7)· 27 deaths
- 2012 CEFlood: Afghanistan (2012-05-01)· 26 deaths
- 1580 CESao Jorge· 10 deaths
- 1967 CEEarthquake — Greece (Mw 5.9)· 9 deaths
- 1808 CESao Jorge· 9 deaths
- 2004 CEFlood: Iran (Islamic Republic of) (2004-05-01)· 8 deaths
- 2013 CEFlood: Somalia (2013-05-01)· 7 deaths
- 2015 CEFlood: Australia (2015-05-01)· 5 deaths
- 2020 CEFlood: Uzbekistan,Kazakhstan (2020-05-01)· 4 deaths
- 2021 CEFlood: Yemen (2021-05-01)· 4 deaths
- 2013 CEEarthquake — India, Kashmir: Doda, Kishtwar, Ramban (Mw 5.7)· 3 deaths
- 2004 CEEarthquake — Taiwan, Hualien: Taroko Gorge National Park (Mw 5.2)· 2 deaths