プリンストンの戦い
While Rush was representing Pennsylvania in the Continental Congress (and serving on its Medical Committee), he also used his medical skills in the field. Rush accompanied the Philadelphia militia during the battles after which the British occupied Philadelphia and most of New Jersey. He was depicted serving in the Battle of Princeton in the painting "The Death of General Mercer at the Battle of Princeton, January 3, 1777" by the American artist John Trumbull.