Final answer:
The Battle of Yorktown took place in 1781 and marked the end of the American Revolutionary War.
Step-by-step explanation:
The Battle of Yorktown took place in 1781. It was a major turning point in the American Revolutionary War. The battle marked the end of the war, as American troops, supported by French forces, successfully trapped and besieged the British army in Yorktown, Virginia. This victory eventually led to the signing of the Treaty of Paris in 1783, granting independence to the United States.
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