- Jan 16 Britain & Prussia sign Treaty of Westminster to respect each other's European territories
- Mar 17 St. Patrick's Day is first celebrated in NYC at the Crown & Thistle Tavern
- Apr 14 Governor Glen of South Carolina protests against 900 Acadia indians
- May 1 France and Austria sign First Treaty of Versailles alliance - guaranteeing Austrian neutrality in war between Britain and France
- May 17 Britain declares war on France (7 Years' or French & Indian War)
- May 18 Great Britain declares war on France at the start of the Seven Years' War
- Jun 4 Quakers leave assembly of Pennsylvania
- Jun 20 Black Hole of Calcutta: 146 British soldiers, Anglo-Indian soldiers and Indian civilians are imprisoned in a small dungeon in Calcutta, India where most die from suffocation and heat exhaustion
- Jun 20 Siraj ud-Daulah Nawab of Bengal takes Calcutta from the British
- Jun 27 French fleet conquer St Philips Castle of Minorca
- Jul 30 Bartolomeo Rastrelli presents the newly-built Catherine Palace to Empress Elizabeth and her courtiers in Russia
- Aug 14 French capture Fort Oswego, NY
- Aug 29 Frederick II of Prussia leads an Anglo-Prussian alliance into Saxony - beginning of the Seven Years' War
- Sep 8 Kittanning Expedition:s 30-40 Lenape Indians killed by Pennsylvania Provincial troops during French and Indian War
- Sep 22 Nassau Hall opens at Princeton University
- Oct 15 Saxon army surrenders to Prussia
Casanova Escapes Prison
Oct 31 Giacomo Casanova escapes from "The Leads" prison in Venice by climbing onto the roof
Admirals
Aviators
Gangsters
Generals
Industrialists
Suffragists