Final answer:
The Battle of Saratoga was a major turning point in the American Revolution. The American victory convinced the French to become allies with the United States, providing crucial military support.
Step-by-step explanation:
The event mentioned in the question is the Battle of Saratoga, which was a major turning point in the American Revolution. The American victory in this battle convinced the French to become allies with the United States and provide crucial military support. This support from France, including soldiers, supplies, and naval forces, played a significant role in the defeat of Great Britain and ultimately led to American independence.