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
Roman Catholic Diocese of Dresden-Meissen of Meissen owes its origin to a castle built by King Henry I the Fowler about 928 to protect German colonists among the pagan Wends. To insure the success of the Christian missions, Otto I suggested at the Roman Synod of 962 the creation of an archiepiscopal see at Magdeburg. Pope John XII consented, and shortly before the execution of the plan in 968 it was decided at the Synod of Ravenna (967) to create three bishoprics — Meissen, Merseburg, and Zeitz — as suffragans of the Archbishopric of Magdeburg. The year in which the Diocese of Meissen was established