Bossuet's First Thesis
Jan 25 French theologian Jacques-Bénigne Bossuet obtains his first thesis in theology with Louis II de Bourbon, Prince of Condé, as a witness
- Jan 30 Spain & Netherlands sign Peace of Munster, ending the Thirty Years' War
- Apr 5 Spanish troops and feudal barons strike down people's uprising in Naples
- Apr 6 Construction of the Red Fort completed at Shahjahanabad, Mughal Empire (now Dehli, India)
- Apr 12 University of Harderwijk opens in the Netherlands
- Apr 29 Beginning of 18 day battle of Zhovti Vody in Ukraine - Polish King John II Casimir eventually defeated by Cossacks
- May 15 Treaty of Munster ratified by Spain & Netherlands
- May 16 Battle of Zhovti Vody: Ukrainian Cossacks, commanded by Bohdan Khmelnytsky and Crimean Tatars led by Tuhaj Bej, defeat Polish King John II Casimir, after 18 days of battle
- May 17 Emperor Ferdinand III defeats Maximilian I of Bavaria
- May 29 King Charles I of England attempts to escape captivity at Carisbrooke Castle, Isle of Wight, for second time by hacksawing through a barred window but caught in the act [1]
- Jun 10 Moscow's people uprise against regent Boris Morozov
- Jun 24 Cossacks slaughter 2,000 Jews and 600 Polish Catholics in Ukraine
- Jun 30 French premier cardinal Mazarin calls Saint Louis Chamber together
- Jul 22 10,000 Jews of Polannoe murdered in Chmielnick massacre during Khmelnytsky Uprising
- Aug 17 -20] Battle at Preston, Lancashire: Henry Ireton beats Scottish
- Aug 20 Battle of Lens: French Duc d'Enghien defeats Spaniards
- Aug 25 Siege of Deal Castle ends in the surrender of Royalist supporters to Parliamentarians during the Second English Civil War [1]
- Aug 26 People's uprising against Anna of Austria & Cardinal Mazarin
- Sep 19 First inn opens in New France, a pastry shop and hostelry in Québec owned by Jacques Boisdon [1]
- Sep 21 Beginning of the Battle at Pilawce: Bohdan Khmelnytsky's Cossacks defeat the Polish army of John Casimir II (battle ends 23 Sept) [NS]
- Oct 4 Peter Stuyvesant establishes America's 1st volunteer fire service
- Oct 18 1st labor organization forms in North American colonies (Boston Shoemakers)
- Oct 24 Treaty of Westphalia ends The Thirty Years' War in the Holy Roman Empire; Switzerland's independence recognized
- Nov 2 12,000 Jews massacred by Chmielnicki hordes in Narol Podlia
- Nov 11 Dutch & French agree to divide St Maarten, Leeward Islands
Peace of Westphalia
Nov 26 Pope Innocent X condemns Peace of Westphalia; the treaty that ended the Thirty Years' War recognising Dutch Republic's Independence and Catholic and Lutherans as equal
- Dec 6 Pride's Purge: Thomas Pride prevents 96 presbyterians from sitting in English parliament