Conversation so far:
what was the code word at the battle of yorktown
As Lin-Manuel Miranda writes in “Yorktown,” the American troops did, indeed, storm the fort with bayonets—gunfire would have given away their position—using the code word Rochambeau.
what was the result of the battle of yorktwon
Following the Battle at Yorktown and Cornwallis’s surrender, the British Parliament, in March 1782, passed a resolution calling for the nation to end the war

Question: when did the war officially end
Self-contained rewrite: when did the american revolutionary war officially end