General George Washington and his aides slept in this house many nights while making Peekskill their headquarters in 1776, 1777, and 1778. It was the home of Pierre Van Cortlandt, a member of the Colonial Assembly, a member of the 2nd, 3rd, and 4th Provincial Congress, president of the Committee of Public Safety, a framer of the State Constitution, the first lieutenant governor of the State of New York, and colonel of the Manor of Cortlandt Regiment.