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 Mongol raid on Meissen Mongols first invasion of Germany located in the Great European Plain, part of the Kingdom of Bohemia and the farthest west they had successfully launched a raid in the Mongol advance of Europe. The united Polish and German Forces were annihilated in the battle of Legnica by a Mongol reconnaissance party led by Orda Khan. Orda Khan was solely responsible for the complete destruction of the Kingdom of Poland, preventing Wenceslaus I of Bohemia from using its army to form a large coalition with Henry II the Pious. Orda Khan spread absolute fear and destruction in