At the Peace of Augsburg in 1555 that followed Charles’ crushing of the Lutheran princes, it was at last decided that each territory in the Empire would have its own religious practices and that they would be those of its ruler. This was already inadequate since both sides chose to pretend that Calvinism did not exist, a serious problem as this austere form of Protestantism was becoming all the rage and would reshape countries as far apart as Scotland and Transylvania.
