Margravate of Meissen the occasion to conquer the margravial lands east of the Elbe and demanded the surrender of Meissen. The following German–Polish War ended with the 1018 Peace of Bautzen, whereby Meissen had to cede the Milceni region (later Upper Lusatia) to Poland. In 1031 however, King Conrad II of Germany was able to reconquer the Milceni lands, which were returned to Meissen. In 1046, Count Otto of Weimar-Orlamünde became margrave, followed by Egbert II of the Brunonids upon his death in 1067. Egbert II entered into a longstanding conflict with Emperor Henry IV, because of which he had to renounce the
Mongol raid on Meissen of the Mongol light reconnaissance had pillage through Meissen, Germany and destroyed most of the town before the army of Wenceslaus I of Bohemia came for its relief. Later it is revealed the attack of Meissen and parts of Bohemia is part of Orda Khan plan to trick Wenceslaus I of Bohemia to avoid facing its large army, and to accomplished his mission to meet with the main Mongol force. The destruction of Meissen had forced Henry Raspe, Landgrave of Thuringia to write a letter to his father-in-law Henry II, Duke of Brabant describing the raid of the Mongols. "For