Events That Happened on March 30
- 1856 CETreaty of Paris
- 1867 CEAlaska Purchase
- 1912 CETreaty of Fes
- 1961 CESingle Convention on Narcotic Drugs
- 1981 CEattempted assassination of Ronald Reagan
- 1996 CEFuturist Manifesto
- 2017 CEDeclaration on the Common Language
- 1153 CETreaty of Constance
- 1949 CE1949 anti-NATO riot in Iceland
- 2009 CE2009 Lahore police academy attacks
- 1595 CECapture of Recife
- 1931 CEGeneva Convention concerning the Unification of Road Signals
- 1979 CEassassination of Airey Neave
- 1981 CEWomen strike
- 1984 CE1984 Syrian coup attempt
- 1985 CECaso Degollados
- 1996 CESierra Chica Prison Riot
- 2006 CEKedumim bombing
- 1855 CEKalapuya Treaty
- 1988 CEBangladesh-Thailand Bilateral Investment Treaty
- 1992 CEDenmark-Latvia Bilateral Investment Treaty
- 1992 CEDenmark-Lithuania Bilateral Investment Treaty
- 1994 CEAlbania-United Kingdom Bilateral Investment Treaty
- 1998 CEBrunei-Germany Bilateral Investment Treaty
- 1998 CEIsrael-Uruguay Bilateral Investment Treaty
- 2000 CEJordan-Sudan Bilateral Investment Treaty
- 2006 CEDominican Republic-Kingdom of the Netherlands Bilateral Investment Treaty
- 2010 CEdouble tax agreement between Germany and the United Kingdom
Natural Disasters on March 30
Records from scientific disaster catalogs that fall on this calendar day. All disaster records
- 1963 CETsunami — Lesser Sunda, Bali: Agung Volcano· 1,028 deaths
- 2008 CEFlood: Brazil (2008-03-30)· 36 deaths
- 1813 CEEarthquake — Peru, Ica· 32 deaths
- 1828 CEEarthquake — Peru, Lima, Callao (Ms 8.3)· 30 deaths
- 1761 CEEarthquake — Portugal, Lisbon, Porto (Ms 8.5)· 25 deaths
- 1988 CEFlood: Australia (1988-03-30)· 5 deaths
- 2018 CEAmbae· 4 deaths
- 1947 CEFlash Flooding: Italy (1947-03-30)· 2 deaths
- 1974 CEFlash Flooding: Spain (1974-03-30)· 2 deaths
- 1894 CEFlash Flooding: Spain (1894-03-30)· 1 deaths
- 2006 CEFlood: United States of America (2006-03-30)· 1 deaths
- 1991 CEFlood: Iran (Islamic Republic of) (1991-03-30)· 0 deaths
- 2006 CEFlood: Australia (2006-03-30)· 0 deaths
- 2023 CESnowmelt Flooding: Latvia (2023-03-30)· 0 deaths
- 2004 CEFlood: Russian Federation,Belarus, Latvia, Ukraine (2004-03-30)· 0 deaths
- 2009 CEFlood: United States of America (2009-03-30)· 0 deaths
- 1985 CEFlood: United States of America (1985-03-30)· 0 deaths
- 2017 CEFlood: Bangladesh (2017-03-30)· 0 deaths
- 2009 CEFlood: Indonesia (2009-03-30)· 0 deaths
- 1796 CEEarthquake — Chile, Copiapo, Vallenar, Huasco, Coquimbo (M 7.7)
- 1965 CEEarthquake — Alaska, Aleutian Islands: Rat Islands (Mw 7.6)
- 1965 CEM 7.6 - Rat Islands, Aleutian Islands, Alaska
- 1914 CEEarthquake — Mexico, Chiapas (M 7.5)
- 2026 CEM 7.3 - 51 km ENE of Luganville, Vanuatu
- 1972 CEM 7.3 - south of the Fiji Islands