The plaintiffs in each case were imperialists; and Fredericks first action was to redress their supposed grievances.
In spite of repeated efforts on the part of the Ghibellines, in spite of King Roberts supine incapacity, the imperialists gained no permanent advantage.
In 1670, fleeing from the dangers of Upper Hungary, where the Protestants and Imperialists were constantly in arms against each other, he took refuge with his kinsman Michael Teleki, the chief minister of Michael Apafy, prince of Transylvania.
In this position he earned a reputation as a politician of thorough straightforwardness and grit, and as one who would maintain British interests independently of party; and he shared with Mr Asquith the reputation of being the ablest of the Imperialists who followed Lord Rosebery.
During the Thirty Years' War it was formed into a fortress by the imperialists, but they vacated it in 1631 to the Swedes, in whose possession it remained after the peace of Westphalia.