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
Margravate of Meissen the "Marca Geronis" was divided in 965 upon the death of Margrave Gero, Meissen became the center of a new march with the goal of controlling the local Slavic population. The first Meissen margrave, Wigbert, is mentioned in a 968 charter of the Archdiocese of Magdeburg. That same year, the Meissen fortress also became the see of the newly created Bishopric of Meissen. In 978, the Saxon count Rikdag became the Margrave of Meissen, and incorporated the marches of Merseburg and Zeitz into Meissen. By 982, the territory of the march had extended as far as the Kwisa ("Queis") river