New York City was evacuated by British troops on November 25, 1783. The British fleet left New York City on December 4, 1783, and on the same day Washington bid farewell to his officers at Fraunces Tavern. After November 3, 1783, the Continental Line was reduced to a handful of units. These disbanded in November and December. The single regiment remaining in service after the new year began was under the command of Massachusetts Colonel Henry Jackson, and was known as the 1st American Regiment. The Continental Congress ratified the Treaty of Paris on January 14, 1784, and the United States and Great Britain exchanged ratifications of the Treaty of Paris on May 12, 1784. The 1st American was disbanded at West Point, New York, on June 2, 1784.