October of 1781, a large force of british troops led General Cornwallis had reached Yorktown Virgina, a old tobacco port near the Cheaspeake Bay, Where the last battle of Revolutionary War, wasto be fought. On the outskrits of Yorktown. British set up an encampment, positioned their weapons, and built walls. October 19, 1781 the shooting stopped and they surrendered. It didnt officaly end til 1783, when a peace treaty was approved in which Great Britain formally recognized the independence.