sentences:  On Count Palatine Johannes I's orders in 1588, there was yet another conversion, this one to Calvinism.Thus the population was until the 1818 Palatine Union – which saw the merger of the Lutheran and Calvinist faiths – overwhelmingly Reformed.Other denominations, foremost among these Lutheranism and Catholicism, had been allowed since the end of the Thirty Years' War, but their numbers of followers were not very significant.