What battle was Cornwallis a part of?

Cornwallis was a key figure in the American Revolutionary War, most notably recognized for his leadership during the Siege of Yorktown in 1781. This battle marked the last major engagement of the war, where British General Cornwallis's forces were surrounded by American and French troops, leading to his surrender. The defeat at Yorktown effectively ended British efforts to quell the revolution, paving the way for American independence.