Events That Happened on May 20
- 1875 CEMetre Convention
- 1795 CERevolt of 1 Prairial Year III
- 1815 CETreaty of Casalanza
- 1878 CEKumanovo Uprising
- 1983 CEChurch Street bombing
- 1992 CEDzari Tragedy
- 2014 CEMay 2014 Nigeria bombings
- 1535 CEAnabaptist riot
- 1802 CETreaty of Paris
- 2023 CETreaty of Jeddah (2023)
- 1986 CEMauritius-United Kingdom Bilateral Investment Treaty
- 1992 CEHungary-Indonesia Bilateral Investment Treaty
- 1997 CEUruguay-Venezuela Bilateral Investment Treaty
- 2002 CEPortugal-Timor-Leste Bilateral Investment Treaty
- 2002 CEEl Salvador-Finland Bilateral Investment Treaty
Natural Disasters on May 20
Records from scientific disaster catalogs that fall on this calendar day. All disaster records
- 1202 CEEarthquake and tsunami — Syria, Southwestern (Ms 7.6)· 30,000 deaths
- 1751 CEEarthquake and tsunami — Japan, Honshu: Nw (Ms 6.6)· 2,100 deaths
- 1932 CEEarthquake — Iran, Torbet-I-Kheydarly (M 5.4)· 1,070 deaths
- 1999 CEFlood: Pakistan (1999-05-20)· 168 deaths
- 1998 CEFlood: China (1998-05-20)· 58 deaths
- 1998 CEFlood: China (1998-05-20)· 37 deaths
- 1990 CEEarthquake — South Sudan, Juba, Maya, Uganda: Nakura (Ms 7.1)· 31 deaths
- 1915 CEFlash Flooding: Serbia (1915-05-20)· 30 deaths
- 2018 CEFlood: Bangladesh (2018-05-20)· 21 deaths
- 1998 CEFlood: Türkiye (1998-05-20)· 19 deaths
- 1998 CEFlood: China (1998-05-20)· 10 deaths
- 1998 CEFlood: China (1998-05-20)· 8 deaths
- 2004 CEFlood: Thailand (2004-05-20)· 8 deaths
- 2018 CEFlood: Sri Lanka (2018-05-20)· 8 deaths
- 2012 CEEarthquake — Italy, Emilia Romagna: Mirandola (Mw 6.1)· 7 deaths
- 1992 CEEarthquake — Pakistan, Peshawar, Kohat, Shakkar Khel (Ms 6)· 6 deaths
- 2007 CEFlood: China (2007-05-20)· 3 deaths
- 1737 CEVesuvius· 2 deaths
- 1990 CEFlash Flooding: France (1990-05-20)· 2 deaths
- 1986 CEEarthquake — Taiwan, Hualien (Ms 6.4)· 1 deaths
- 1910 CEFlash Flooding: United Kingdom (1910-05-20)· 1 deaths
- 2006 CEFlood: Canada (2006-05-20)· 1 deaths
- 2022 CEFlood: Colombia (2022-05-20)· 0 deaths