Philadelphia falls, but the American victory at Saratoga allows France to enter the war.

The British take Philadelphia, and Congress flees the city. But an American victory at Saratoga allows France to openly support the United States.

As America braces for a third year of devastating war, British commanders launch campaigns to take Albany and Philadelphia. General Howe beats General Washington at Brandywine and Germantown, while the Continental Congress flees Philadelphia. But the Americans’ surprising victory over General Burgoyne at Saratoga opens the door for France to officially support the United States.