The british surrendered to George Washington on October 17 1781 but the war was not officially over until congress on April 19 1783 ratified the what?

The war was not officially over until the signing of the Treaty of Paris, which took place on September 3, 1783. April 19, 1783 saw publication of Thomas Paine's "American Crisis," which was influential in it's own right. However, Congress did not ratify the book, nor any other matter related to the official ending of the war in April.