 Ferdinand proposed that the Hungarian and Bohemian diets should convene and hold debates together with the Austrian estates, but all parties refused such an innovation.In 1547 the Bohemian Estates rebelled against Ferdinand after he had ordered the Bohemian army to move against the German Protestants.After suppressing the revolt, he retaliated by limiting the privileges of Bohemian cities and inserting a new bureaucracy of royal officials to control urban authorities.