Westsylvania was a proposed state of the United States located primarily in what is now western Pennsylvania and West Virginia. First proposed early in the American Revolution, Westsylvania would have been the fourteenth state in the newly formed United States had it been recognized. Background In the years before the American Revolutionary War (1775–1783), jurisdiction of the region west of the Allegheny Mountains around Pittsburgh and along the Ohio River had been disputed between the… (More on Westsylvania)