Leopold collected a considerable armed force, which in 1611 invaded Bohemia. Leopold, no doubt, wished to free Rudolph from the control of the Protestants, and probably hoped to obtain the Bohemian crown as a reward, to the exclusion of Matthias and of his own brother Ferdinand. The men of Passau soon occupied a large part of Southern Bohemia, marched rapidly on Prague, and encamped on the White Mountain, immediately outside the city walls. After scaling the walls of the Malá Strana they attacked the neighbouring Hradcany Castle, where Leopold was then residing as a guest of Rudolph. Desperate fighting in the Malá Strana took place between the men of Passau and a small force that the Bohemian Estates had hurriedly raised, and which was commanded by Count Thurn. The invaders succeeded in driving the Bohemians from the Malá Strana, but their attempt to obtain possession of the bridge, and thus to secure access to the old town, failed.
Leopold, who thought victory certain, now assumed the command of his troops, and summoned the old and new towns to surrender. This was declined, and as the army of the Estates received constant reinforcements, Leopold and his troops were obliged to leave Prague secretly on the night of March 11. Matthias had meanwhile arrived at Prague, and Rudolph was forced to abdicate in his favour. He did not long survive his deposition, but died on January 10, 1612.
During the brief reign of Matthias (1611–1619) the religious troubles in Bohemia continued and reached their climax in the famous defenestration of Prague. Matthias, like his brother, was childless, and the question of the succession to the Bohemian throne was therefore urgent. The Estates met at Prague in 1617, and through the influence of the Government
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