| January 1 | Jean Racine's "Bajazet," premieres in Paris |
| February 8 | Isaac Newton reads 1st optics paper before Royal Society in London |
| February 23 | Joan Blaeus publishers destroyed by fire in Amsterdam |
| March 15 | King Charles II enacts Declaration of Indulgence |
| March 17 | England declares war on Netherlands |
| April 6 | France declares war on Netherlands |
| May 6 | Brandenburgs monarch Frederik Willem signs treaty with Netherlands |
| May 15 | 1st copyright law enacted by Massachusetts |
| May 17 | Frontenac becomes governor of New France (Canada) |
| June 7 | Battle by Solebay: Dutch Admiral M de Ruyter beats French/English fleet |
| June 12 | French army under General Turenne crosses Rhine at Lobith |
| June 21 | Dutch pension advisor Johan de Witt seriously wounded |
| June 21 | French troops under king Louis XIV occupy Utrecht |
| June 25 | 1st recorded monthly Quaker meeting in U.S. held, Sandwich, Mass |
| July 4 | States of Holland declares "Eternal Edict" void |
| July 8 | Willem II becomes captain-/admiral-general |
| July 9 | Prince Willem III inaugurated as viceroy of Holland/Zealand |
| September 6 | Willem III's troops reconquer Naarden on France |
| October 18 | Poland and Turkey sign Peace of Buczacz |
| December 10 | New York Governor Lovelace announces monthly mail service between New York and Boston |
| December 23 | Giovanni Cassini discovers Rhea, a satellite of Saturn |
| December 30 | Baron Karl Rabenhaupt occupies Coevorden, Netherlands |
