- Dec 3 First official US flag raised (Grand Union Flag) aboard naval vessel USS Alfred
Knox's Artillery Convoy Sets Out
Dec 9 At Fort Ticonderoga, New York, Henry Knox begins his historic transport of abandoned British artillery to Boston, Massachusetts, later forces the British to evacuate Boston [1]
Arkwright's Carding Machine
Dec 16 Englishman Richard Arkwright receives a patent for his carding machine for use in cotton mills
- Dec 22 Continental navy organized with 7 ships
Battle of Quebec
Dec 31 Battle of Quebec: American Continental Army led by Richard Montgomery is defeated trying to take the British stronghold of Quebec City in the American Revolutionary War, General Montgomery is killed and Benedict Arnold is injured