| January 20 | Cornerstone of Amsterdam townhall laid |
| January 30 | Spain and Netherlands sign Peace of Munster, ending Tachtigjarige War |
| April 5 | Spanish troops/feudal barons strike down people's uprising in Naples |
| April 12 | University of Harderwijk Netherlands solemn opens |
| April 22 | English army claims king Charles I responsible for bloodshed |
| May 6 | Battle at Zolty Wody-Bohdan Chmielricki's Cossaks beat John II Casimir |
| May 15 | Treaty of Munster: Spain and Netherlands ratified |
| May 16 | Battle at Zolty Wody: Bohdan Chmielricki's cosacks beat John Casimir |
| May 17 | Emperor Ferdinand III defeats Maximilian I of Bavaria |
| June 10 | Moscow's people uprise against regent Boris Morozov |
| June 24 | Cossacks slaughter 2,000 Jews and 600 Polish Catholics in Ukraine |
| June 30 | French premier cardinal Mazarin calls Saint Louis Chamber together |
| July 22 | 10,000 Jews of Polannoe murdered in Chmielnick massacre |
| August 17 | Battle at Preston, Lancashire: Henry Ireton beats Scottish |
| August 20 | Battle of Lens: French duke d'Enghien defeats Spaniards |
| August 26 | People's uprising against Anna of Austria and Cardinal Mazarin |
| September 11 | Battle at Pilawce: Bohdan Chmielricki's beats John Casimir |
| September 21 | Battle at Pilawce: Bohdan Chmielricki's beats John Casimir |
| October 4 | Peter Stuyvesant establishes Americas 1st volunteer firemen |
| October 18 | 1st U.S. labor organization forms, Boston Shoemakers |
| October 24 | Switzerland's independence recognized |
| October 24 | Treaty of Westphalia ends 30 year war and Holy Roman Empire |
| November 2 | 12,000 Jews massacred by Chmielnicki hordes in Narol Podlia |
| November 11 | Dutch and French agree to divide St. Maarten, Leeward Islands |
| November 26 | Pope Innocent X condemns Peace of Westfalen |
| November 30 | English army captures King Charles I |
| December 6 | Pride's Purge: Thomas Pride prevents 96 presbyterians from sitting in English parliament |
