- Mar 5 Battle of Jankau in Bohemia: Sweden defeats Holy Roman Emperor Ferdinand III
- Apr 2 Robert Devereux resigns as parliament supreme commander
- Apr 3 English Long Parliament passes the Self-Denying Ordinance, limiting regional armies, significant step toward New Model Army
- Apr 7 Michael Cardozo becomes 1st Jewish lawyer in Brazil
Battle of Naseby
Jun 14 Battle of Naseby, Leicestershire: Parliament's New Model Army under Oliver Cromwell and Thomas Fairfax defeats the Royalist forces of English King Charles I
- Jun 23 Cretan War begins with attack by Ottoman navy on Venetian-held coast of Crete (war lasts till 1669)
- Jul 10 Battle at Langport, Somerset: Oliver Cromwell's New Model Army beats Royalists
- Jul 13 Aleksei Romanov succeeds his father Michael as Tsar of Russia
- Jul 21 Manchu Prince Grogon issues edict that all Han Chinese men shave front of their head and wear hair in queues in the Manchu style
- Jul 25 Important Royalist base Scarborough Castle surrenders to parliamentarians after one of the bloodiest sieges of the English Civil War [1]
- Aug 3 Battle of Allersheim: French defeat Bavarians
- Aug 13 Sweden & Denmark sign Peace of Brömsebro
- Aug 30 Dutch and Indians sign peace treaty in New Amsterdam (NY)
Event of Interest
Sep 11 Thomas Fairfax's New Model Army occupies Bristol
Hôtel-Dieu de Montréal
Oct 8 First hospital in Montreal, Quebec founded, the Hôtel-Dieu de Montréal by nurse Jeanne Mance
Siege of Hulst
Nov 4 Prince Frederick Henry conquers Hulst, the last major siege of the Eighty Years' War
Authors
Dictators
Explorers
Outlaws
Queens
Spies