 Complete the following phrase:  The movement gained support in the Crown of Bohemia. However, Hus was summoned to attend the Council of Constance, which decided that he was a heretic and released him to the secular authority, which sentenced him to be burned at the stake on 6 July 1415. From 1419 to 1437 were a series of Hussite Wars initially between various Catholic rulers and the Hussites, and then the political situation continued into a Hussite civil war between the more compromising Utraquists and the radical Taborites. In 1434, an army of Utraquists and Catholics defeated the Taborites at the 