Ferdinand had but a few soldiers, the population of the city were hostile, and had Thurn only entered the town he could have seized the emperor without any resistance.
"Thurn hesitated, and endeavoured instead to obtain the conditions of toleration which the Protestants required; and sixteen Austrian barons in the city were in the act of insisting upon Ferdinand signing these when the head of the relieving army entered the city.

Thurn retired hastily.

The Catholic princes and representatives met at Frankfort and elected Ferdinand Emperor of Germany.

He at once entered into a strict agreement with Maximilian of Bavaria to crush Protestantism throughout Germany.

The Bohemians, however, in concert with Bethlem Gabor, king of Hungary, again besieged Vienna; but as the winter set in they were obliged to retire.