1777 in Pennsylvania

first constitution of the United States (1781–1789)

1777 battle of the American Revolutionary War

site of the military camp of the American Continental Army over the winter of 1777–1778

1777-78 British offensive during the American Revolutionary War

October 1777 battle during the American Revolutionary War

1777 battle of the American Revolutionary War in Pennsylvania

1777 American Revolutionary War battle

1777 military action in the American Revolutionary War