The Thirty Years War, book 3

nt party among the citizens opened to him, without a blow, the gates of the town and the citadel. From the inhabitants of this, as of every important place which afterwards submitted, he exacted an oath of allegiance, while he secured its possession by a sufficient garrison. To his ally, Duke William of Weimar, he intrusted the command of an army to be raised in Thuringia. He also left his queen in Erfurt, and promised to increase its privileges. The Swedish army now crossed the Thuringian forest in two columns, by Gotha and Arnstadt, and having delivered, in its march, the county of Henneberg from the Imperialists, formed a junction on the third day near Koenigshofen, on the frontiers of Franconia.

Francis, Bishop of Wurtzburg, the bitter enemy of the Protestants, and the most zealous member of the League, was the first to feel the indignation of Gustavus Adolphus. A few threats gained for the Swedes possession of his fortress of Koenigshofen, and with it the key of the whole province. At the news of