Final answer:
The Battle of Yorktown is often referred to as the turning point in the war and Britain's first major defeat.
Step-by-step explanation:
The battle that is often referred to as the turning point in the war and Britain's first major defeat is the Battle of Yorktown. This battle, fought between British forces under General Cornwallis and American and French forces led by General Washington and General Rochambeau, took place in 1781 during the American Revolutionary War.
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