On This Day: The Treaty of Paris, ratified by the United States Congress on January 14, 1784, is ratified by King

4/9 (1784): The Treaty of Paris, ratified by the United States Congress on January 14, 1784, is ratified by King George III of the Kingdom of Great Britain, ending the American Revolutionary War. Copies of the ratified documents are exchanged on May 12, 1784.