American victory in Battle of Princeton.
Vermont abolishes slavery.
Congress approves Articles of Confederation.
British victory in Battle of Germantown.
Battle of Brandywine Creek; British occupy Philadelphia.
Benedict Arnold leads successful battle against British at Ridgefield, Connecticut (April 27).
Congress mandates thirteen-star and thirteen-stripe flag of U.S. (June 14).
Americans win first major victory over British at Battle of Saratoga (October 7).