Births on April 3

Pierre Bretonneau, French doctor who performed the first successful tracheotomy (d. 1862)

Pierre-Fidèle Bretonneau (3 April 1778 – 18 February 1862) was a French medical doctor.

5 Feb

Articles of Confederation
South Carolina becomes the second state to ratify the Articles of Confederation.
18 Jun

Philadelphia
American Revolutionary War: British troops abandon Philadelphia.
28 Jun

Battle of Monmouth Courthouse
The American Continentals engage the British in the Battle of Monmouth Courthouse resulting in standstill and British withdrawal under cover of darkness.
10 Jul

Louis XVI of France
American Revolution: Louis XVI of France declares war on the Kingdom of Great Britain.
26 Nov

James Cook
In the Hawaiian Islands, Captain James Cook becomes the first European to visit Maui.