1420
Treaty of Troyes
Treaty · Europe
On this day
21 May
312 events in the atlas are dated to 21 May, from 512 CE to 2026. The best known come first; below them is every one, age by age, the most significant first.
- 312 events
- 512 – 2026 CE
The best known
From every age and part of the world1792
1792 eruption of Mount Unzen
Natural disaster · East Asia
1856
Sacking of Lawrence
Event · North America
1960
1960 Valdivia earthquake
Natural disaster · South America
1991
assassination of Rajiv Gandhi
Attack · South Asia
2006
Montenegrin independence referendum
Election · Europe
The Middle Ages
501 – 1500 CE · 9 events- 1420Treaty of TroyesTreaty · Europe
- 512 CE512 CE Shaanxi earthquakeNatural disaster · East Asia
- 13821382 Dover Straits earthquakeNatural disaster · Europe
- 1363Siege of ValenciaSiege · Europe
- 1458Battle of Šariš CreekBattle · Europe
- 1271Battle of RabaBattle
- 1381Battle of NeveleBattle · Europe
- 1382Earthquake SynodPolitical · Europe
- 1499Construction of Chiesa del RosarioConstruction · Europe
Early modern times
1501 – 1800 · 21 events- 17921792 eruption of Mount UnzenNatural disaster · East Asia
- 17921792 Kyusyu Island earthquakeNatural disaster · East Asia
- 17921792 eruption of UnzendakeNatural disaster · East Asia
- 1737Founding of San JoséFounding · Mesoamerica and the Caribbean
- 1786Treaty of ParisTreaty · Europe
- 1745Battle of AnguillaBattle · Mesoamerica and the Caribbean
- 1592Battle of CraonBattle · Europe
- 1623Founding of ȚifeștiFounding · Europe
- 1739Spanberg ExpeditionExploration
- 1646Siege of WorcesterSiege · Europe
The 19th century
1801 – 1900 · 32 events- 1809Battle of Aspern-EsslingBattle · Europe
- 1879Battle of IquiqueBattle · South America
- 1856Sacking of LawrenceEvent · North America
- 1871Semaine sanglanteSiege · Europe
- 1863Siege of Port HudsonSiege · North America
- 1841Battle of CantonBattle · East Asia
- 1864Fall of CircassiaCollapse · Europe
- 1832Indian Creek massacreAttack · North America
- 1897Founding of Zhejiang UniversityFounding · East Asia
- 1870Founding of KholmskFounding · Europe
The 20th century
1901 – 2000 · 158 events- 19601960 Valdivia earthquakeNatural disaster · South America
- 1991assassination of Rajiv GandhiAttack · South Asia
- 1938Tsuyama massacreAttack · East Asia
- 1940Battle of ArrasBattle · Europe
- 1998Post-Suharto era in IndonesiaEvent · Southeast Asia
- 1914Peasant Revolt in AlbaniaRebellion · Europe
- 1918Battle of AbaranBattle · Middle East
- 1982Battle of San CarlosBattle · South America
- 1985Jibril AgreementEvent · Middle East
- 1921Battle of AnnabergBattle · Europe
The 21st century
since 2001 · 92 events- 2006Montenegrin independence referendumElection · Europe
- 20032003 Boumerdès earthquakeNatural disaster · North Africa
- 2024Singapore Airlines Flight 321Accident · Southeast Asia
- 2014Taipei Metro massacreAttack · East Asia
- 2018Cyclone MekunuEvent
- 2003World Health Organization Framework Convention on Tobacco ControlTreaty
- 20252025 killing of Israeli Embassy workers in Washington, D.C.Attack · North America
- 20032003 Algiers earthquakeNatural disaster · North Africa
- 20192019 Malawian general electionElection · Sub-Saharan Africa
- 20112011 eruption of GrímsvötnNatural disaster · Europe
About the dates
Each event is listed under the date its sources give, as its page shows it. Before 1582, and in some countries later (Britain until 1752, Russia until 1918), that is a date of the Julian calendar, as on Wikipedia’s pages for each day.