- Mar 8 Peace of Roskilde between Sweden & Denmark
Historic Event
Mar 17 Pro-Charles II plot in England discovered
- Jun 3 Pope Alexander VII appoints François de Laval vicar apostolic in New France
- Jun 14 Battle of the Dunes: English and French forces defeat the Spanish near Dunkirk during Franco-Spanish War
- Jun 23 Dutch troops occupy last Portuguese Fort at Jafnapatnam in Ceylon
- Jun 24 French fleet recaptures Duinkerk
- Jun 25 Spanish garrison at Dunkirk surrenders to French and English
- Jul 31 Aurangzeb appoints himself Mongol emperor
- Aug 12 1st American police force forms (New Amsterdam)
- Aug 15 France, Sweden, Bavarian, Brunswick, Munster and Hessen-Kassel form Confederation of the Rhine
- Sep 3 Richard Cromwell ("Tumbledown Dick") succeeds his father as Lord Protector of the Commonwealth
- Nov 8 Battle of the Sound: Swedish fleet prevails over the Dutch fleet during the 2nd Northern War
- Dec 9 Dutch troops occupy harbor city Quilon (Coilan) India