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 <a href="https://en.wikipedia.org/wiki/Friends_Hospital" id="mwYw" rel="mw:WikiLink" title="Friends Hospital">Friends Hospital</a>, <a href="https://en.wikipedia.org/wiki/Philadelphia" id="mwZA" rel="mw:WikiLink" title="Philadelphia">Philadelphia</a>, Pennsylvania).