Events That Happened on May 23
- 1949 CEBasic Law for the Federal Republic of Germany
- 1969 CEVienna Convention on the Law of Treaties
- 2014 CE2014 Isla Vista killings
- 2021 CERyanair Flight 4978
- 1926 CEConstitution of Lebanon
- 1992 CELisbon Protocol
- 1992 CECapaci massacre
- 2008 CEUNASUR Constitutive Treaty
- 2022 CEIndo-Pacific Economic Framework
- 1618 CEOutbreak of the Thirty Years' War
- 1942 CEBrazil-United States Political-Military Agreement
- 1943 CEKielce cemetery massacre
- 1948 CETantura massacre
- 2021 CESan Miguel del Ene's terrorist attack
- 1638 CEKandyan Treaty of 1638
- 1997 CEBanjarmasin riot
- 2000 CE2000 Kaduna riots
- 2002 CEPi Glilot bombing attempt
- 2016 CEMay 2016 Jableh and Tartous bombings
- 1975 CESouth Korea-Tunisia Bilateral Investment Treaty
- 1995 CEEgypt-Turkmenistan Bilateral Investment Treaty
- 1995 CEEgypt-Hungary Bilateral Investment Treaty
- 2000 CEBotswana-Germany Bilateral Investment Treaty
- 2002 CEDominican Republic-Morocco Bilateral Investment Treaty
- 2003 CEArmenia-India Bilateral Investment Treaty
Natural Disasters on May 23
Records from scientific disaster catalogs that fall on this calendar day. All disaster records
- 2004 CEFlood: Dominican Republic,Haiti (2004-05-23)· 3,300 deaths
- 1925 CEEarthquake — Japan, Honshu: Tajima (Ms 6.8)· 395 deaths
- 1897 CEMayon· 350 deaths
- 1864 CEEarthquake and tsunami — Indonesia, Irian Jaya: Manokwari (Ms 7.8)· 250 deaths
- 1989 CEFlood: Viet Nam (1989-05-23)· 140 deaths
- 1761 CEEarthquake — China, Yunnan Province (Ms 6)· 120 deaths
- 2022 CEFlood: Brazil (2022-05-23)· 80 deaths
- 1988 CEFlood: India (1988-05-23)· 76 deaths
- 2002 CEFlood: Nicaragua (2002-05-23)· 30 deaths
- 2020 CEFlood: India (2020-05-23)· 30 deaths
- 2002 CEFlood: China (2002-05-23)· 22 deaths
- 2006 CEFlood: Cuba (2006-05-23)· 7 deaths
- 1968 CEEarthquake — New Zealand, South Island: Nw Coast (M 7.1)· 3 deaths
- 2001 CEEarthquake — China, Yunnan: Ninglang, Sichuan: Yanyuan (Mw 5.5)· 2 deaths
- 2023 CEFlood: Algeria (2023-05-23)· 2 deaths
- 1987 CEEarthquake — Philippines, Mindanao: Talakag-Malaybalay (Ms 5.2)· 1 deaths
- 1986 CEFlash Flooding: Switzerland (1986-05-23)· 1 deaths
- 1888 CEFlash Flooding: Spain (1888-05-23)· 1 deaths
- 2018 CEFlood: Iran (Islamic Republic of) (2018-05-23)· 1 deaths
- 2007 CEFlood: Spain (2007-05-23)· 1 deaths
- 1932 CEFluvial (Riverine) Flooding: United Kingdom (1932-05-23)· 0 deaths
- 1998 CEFlash Flooding: Spain (1998-05-23)· 0 deaths
- 1995 CEFluvial (Riverine) Flooding: Romania (1995-05-23)· 0 deaths
- 2017 CEFlood: Sri Lanka (2017-05-23)· 0 deaths