| January 26 | France declares war on England and Munster |
| February 16 | Netherlands and Brandenburg sign treaty |
| April 18 | Peace of Kleef: Netherlands and bishop Von Galen of Munster |
| June 4 | Battle at Duinkerk: English vs Dutch fleet |
| June 11 | Vierdaagse Sea battle (Ruyter-Monk vs Prince Ruprecht) |
| August 4 | Hurricane hits Guadeloupe, Martinique and St. Christopher; thousands die |
| August 4 | Sea battle between Netherlands and England |
| August 5 | English fleet beats Dutch under Michiel the Ruyter |
| September 1 | Great London Fire begins in Pudding Lane. 80% of London is destroyed |
| September 2 | Fire in London destroys 13,000 houses and kills 8 |
| September 2 | Great Fire in London ends, kills 8 |
| September 12 | Great Fire in London ends, kills 8 |
| September 14 | St. Paul's in London destroyed by fire |
| September 16 | "Messiah" Sjabtai Tswi becomes Islamiet |
| September 23 | Princess Maria of Orange-Nassau marries Mauritius earl of Simmeren |
| October 25 | Brandenburg/Brunswick/Denmark/Netherlands form anti-French Quadruple Alliance |
| November 14 | Samuel Pepys reports on 1st blood transfusion (between dogs) |
| December 30 | Abraham Crijnssen departs to Suriname |
