The Philadelphia campaign (1777–1778) was a British military campaign during the American Revolutionary War designed to gain control of Philadelphia, the Revolutionary-era capital where the Second Continental Congress convened and formed the Continental Army and appointed George Washington as its commander in 1775, and authored and unanimously adopted the Declaration of Independence the following year, on July 4, 1776, which formalized and escalated the war.

Major-General Nathanael Greene was an American military officer and planter who served in the Continental Army during the Revolutionary War. He emerged from the war with a reputation as one of George Washington's most talented and dependable officers, and is known for his successful command in the Southern theater of the conflict.