After three weeks of non-stop bombardment, both day and night, from artillery, Cornwallis surrendered to Washington in the field at Yorktown on October 17, 1781, effectively ending the War for Independence.
Answer:Siege of Yorktown, (September 28–October 19, 1781), joint Franco-American land and sea campaign that entrapped a major British army on a peninsula at Yorktown, Virginia, and forced its surrender. The siege virtually ended military operations in the American Revolution.
