| January 1 | Regular mail delivery begins between New York and Boston |
| January 13 | Jean Racine's "Mithridate," premieres in Paris |
| January 22 | Postal service between New York and Boston inaugurated |
| February 20 | 1st recorded wine auction held in London |
| February 21 | Michiel A de Ruyter appointed lt-admiral-general of Dutch fleet |
| March 18 | Lord Berkley sells his half of New Jersey to the Quakers |
| March 29 | English king Charles II accept Test Act: RC excluded of public functions |
| May 17 | Louis Joliet and Jacques Marquette begin exploring Mississippi |
| June 6 | France and Brandenburg sign peace treaty |
| June 12 | Charles II's brother duke James of York resigns as Lord High Admiral |
| June 14 | Battle at Schooneveld: Michiel de Ruyter beats French/English fleet |
| June 16 | Peace of Vossem: French King Louis XIV and Frederik Willem of Brandenburg |
| July 6 | French troops conquer Maastricht |
| July 11 | Netherlands and Denmark signs defense treaty |
| July 24 | Edmund Halley enters Queen's College, Oxford, as an undergraduate |
| August 8 | Dutch battle fleet of 23 ships demands surrender of New York City |
| August 9 | Admiral Cornelis Evertsen de Jonge recaptures New York |
| August 9 | Dutch recapture New York from English; regained by English in 1674 |
| August 21 | Sea battle at Kijkduin: De Ruyter defeats English and French fleet |
| August 30 | Leopold I, Spain, Netherlands and Lutherans form anti-French covenant |
| September 12 | Prince Willem III occupies Naarden |
| November 9 | British king Charles II fires earl of Shaftesbury |
| November 12 | Dutch troops under Willem III occupy Bonn |
| November 13 | Prince Willem III/Raimundo earl Montecuccoli conquer Bonn |
BrainyHistory
