| March 8 | Peace of Roskilde between Sweden and Denmark |
| March 17 | Pro-Charles II plot in England discovered |
| May 24 | Battle of Dunes (Spanish-French War) fought |
| June 14 | Battle at Dunes: English and French fleet beat Spanish |
| June 23 | Dutch troops occupy last Portugese Fort Jafnapatnam Ceylon |
| June 24 | French fleet recaptures Duinkerk |
| June 25 | Spanish garrison at Duinkerk surrenders to French and British |
| July 31 | Aurangzeb appoints himself Mongol emperor |
| August 12 | 1st U.S. police corps forms (New Amsterdam) |
| August 15 | France/Sweden/Bavarian/Brunswick/Munster/Hessen-Kassel form Rijnbond |
| August 24 | Battle at Grevelingen: English fleet beats Spanish |
| September 3 | Richard Cromwell succeeds his father as English Lord Protector |
| November 8 | Battle of Sont: Swedish fleet beats Dutch |
| December 9 | Dutch troops occupy harbor city Quilon (Coilan) India |
