- Apr 18 Peace of Kleef: Netherlands & bishop Von Galen of Munster
- Jun 4 Battle at Dunkirk: English vs Dutch fleet
- Jun 11 -14] Vierdaagse Sea battle (Ruyter-Monk vs Prince Ruprecht)
- Aug 4 Hurricane hits Guadeloupe, Martinique and St Christopher; thousands die
- Aug 4 Sea battle between Netherlands and England
- Aug 5 English fleet beats Dutch under Michiel de Ruyter
- Aug 9 Rear Admiral Robert Holmes leads a raid on the Dutch island of Terschelling, destroying 150 merchant ships in the Vlie estuary, and pillaging the town of West-Terschelling, an act later known as "Holmes's Bonfire".
The Great Fire of London
Sep 2 Great Fire of London begins at 2am in Pudding Lane, 80% of London is destroyed
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- Sep 5 Great Fire of London ends, leaving 13,200 houses destroyed and 8 dead
- Sep 6 After St Paul's Cathedral and much of the city had been burned down over four days, the Great Fire of London is finally extinguished.
- Sep 16 "Messiah" Sjabtai Tswi becomes Islamiet
- Oct 25 Brandenburg, Brunswick, Denmark and The Netherlands form anti-French Quadruple Alliance
Event of Interest
Nov 14 Samuel Pepys reports on 1st blood transfusion (between dogs)
Samuel Pepys
- Dec 30 Abraham Crijnssen departs to Suriname