Where was the decisive battle that ended with American fall in 1777?

The decisive battle that marked a significant turning point in the American Revolutionary War in 1777 was the Battle of Saratoga, fought in New York. The American forces, led by General Horatio Gates, achieved a crucial victory over British General John Burgoyne's troops. This defeat ultimately led to the surrender of Burgoyne's army, which bolstered American morale and helped secure French support for the American cause.