A History of Germany / From the Earliest Times to the Present Day

fact, a member of a deputation of sixteen noblemen had seized him by the coat,—when trumpets were heard, and a body of 500 cavalry, which had reached the city without being intercepted by the besiegers, appeared before the palace

The confusion and uncertainty in regard to the Imperial dignity lasted until 1410, when Rupert determined to make war upon the Archbishop of Mayence—who had procured his election, and since the League of Marbach was his chief enemy—as the first step towards establishing his authority

fought at Tannenberg, in July, 1410