Opening of the first private mental health hospital in the United States, the Asylum for the Relief of Persons Deprived of the Use of Their Reason (now Friends Hospital, Philadelphia, Pennsylvania).

Friends Hospital is a psychiatric hospital located in Philadelphia, Pennsylvania, United States.

Founded in 1813 by Quakers as The Asylum for the Relief of Persons Deprived of the Use of Their Reason, the institution was later renamed the Frankford Asylum for the Insane. It was the first private mental hospital in the nation, and is the oldest such institution with a continuous history of operation. Its campus, which dates to its founding, is a National Historic Landmark.Friends Hospital is accredited by the Joint Commission on Accreditation of Healthcare Organizations and licensed by the Commonwealth of Pennsylvania.[1]