Wallenstein Declared a Traitor
Jan 24 Holy Roman Emperor Ferdinand II declares his former military leader Albrecht von Wallenstein a traitor - later has him assassinated
- Feb 17 Puritan author William Prynne tried in Star Chamber for publishing "Histrio-masti", criticising the theatre
Wallenstein Charged with Treason
Feb 18 Holy Roman Emperor Ferdinand II charges commander Albrecht von Wallenstein's with high treason and orders him brought to Vienna, dead or alive
- Feb 19 Battle of Smolensk: King Wladyslaw IV of Poland beats Russians [NS=Mar 1]
- Feb 25 Irish captain Walter Devereaux kills Duke Wallenstein
- Mar 1 Battle at Smolensk: Polish King Wladyslaw IV beats Russians
- Mar 3 1st tavern in Boston (Mass) opens (Samuel Cole)
- Mar 13 First meeting of what would become the Academie Francaise in Paris at the house of Valentin Conrart
- Mar 25 Under charter granted to Lord Baltimore and led by his brother Leonard Calvert first settlers found Catholic colony of Maryland
- Apr 6 Heeren XIX (the directors of the Dutch West India Company) ask "to secure Eylands Curacao"
- May 4 Johannes van Walbeeck's fleet of four ships leaves Holland tasked with taking Curaçao from the Spanish
- May 31 The colony of Massachusetts Bay annexes Maine colony
- Jun 14 Russia and Poland sign Peace treaty of Polianov
- Jul 4 The city of Trois-Rivières is founded in New France, later to become the Canadian province of Quebec
- Jul 6 Johan van Walbeeck's ships bypass St-Anna Bay, Curaçao
- Jul 29 Dutch fleet under Johannes van Walbeeck lands on Curacao
- Aug 18 Urbain Grandier, accused and convicted of sorcery, is burned alive in Loudun, France.
Battle at Nördlingen
Sep 6 Battle at Nördlingen: Imperial-Spanish force led by Ferdinand of Hungary and Cardinal-Infante Ferdinand heavily defeat a combined Swedish and German protestant army led by Gustav Horn and Bernhard of Saxe-Weimar
- Oct 11 Burchardi flood - "the second Grote Mandrenke" kills about 15,000 in North Friesland, Denmark and Germany
- Oct 19 Beach Island in North Sea destroyed by a heavy storm flood
- Oct 20 King of England Charles I levies the "Ship Money" tax on all English and Welsh counties
- Nov 11 Following pressure from Anglican bishop John Atherton, the Irish House of Commons passes "An Act for the Punishment for the Vice of Buggery".
Admirals
Aviators
Gangsters
Generals
Industrialists
Suffragists