| January 27 | 1st American lime kiln begins operation (Providence RI) |
| February 1 | Dutch garrison on Formosa surrenders for Chinese pirates |
| April 22 | Royal Society incorporates |
| April 23 | Connecticut chartered as an English colony |
| April 27 | Netherlands and France sign military covenant |
| May 3 | Royal charter granted Connecticut |
| May 19 | Uniformity Act of England goes into effect |
| June 24 | Dutch invasion of Macau repulsed, Macau Day |
| July 15 | England's King Charles II charters Royal Society in London |
| August 24 | Act of Uniformity requires English to accept book of Common Prayer |
| September 14 | Netherlands and England sign peace treaty |
| September 16 | Flamsteed sees solar eclipse, 1st known astronomical observation |
| October 26 | Charles II of England sold Dunkirk to France |
| October 27 | England sells Duinkerken to France for 2.5 million livres |
