The Philadelphia campaign (1777–1778) was a British initiative in the American Revolutionary War to gain control of Philadelphia, which was then the seat of the Second Continental Congress. British General William Howe, after unsuccessfully attempting to draw the Continental Army under General George Washington into a battle in northern New Jersey, embarked his army on transports, and landed them at the northern end of Chesapeake Bay. From there, he advanced northward toward Philadelphia. Washington prepared defenses against Howe's movements at Brandywine Creek, but was flanked and beaten back in the Battle of Brandywine on September 11, 1777. After further skirmishes and maneuvers, Howe was able to enter and occupy Philadelphia. Washington then unsuccessfully attacked one of Howe's garris