| January 16 | England and Prussia sign Treaty of Westminster |
| March 17 | St. Patrick's Day 1st celebrated in New York City at Crown and Thistle Tavern |
| April 14 | Governor Glen of South Carolina protests against 900 Acadia indians |
| May 1 | France and Austria sign alliance |
| May 17 | Britain declares war on France (7 Years' or French and Indian War) |
| May 18 | England declares war on France |
| June 4 | Quakers leave assembly of Pennsylvania |
| June 20 | 146 British soldiers imprisoned in India-Black Hole of Calcutta-most die |
| June 20 | India rebels defeat Calcutta on British army |
| June 27 | French fleet conquer St. Philips Castle of Minorca |
| August 14 | French capture Fort Oswego, New York |
| August 29 | England and France meet in war |
| August 29 | Prussian Libya occupies Saxson: beginning 7 years War |
| September 22 | Nassau Hall opens at Princeton University |
| October 15 | Saxon army surrenders to Prussia |
| December 6 | British troops under Robert Clive occupy Fulta India |
| December 31 | Russia joins the Alliance of Versailles |
