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
Meissen porcelain equivalents in other countries. It was a very expensive product by the time it reached European customers, and represented wealth, importance and refined taste in Europe. Local attempts to produce porcelain, such as the brief experiment that produced Medici porcelain had met with failure. At the beginning of the eighteenth century Johann Friedrich Böttger pretended he had solved the dream of the alchemists, to produce gold from worthless materials. When King Augustus II of Poland heard of it, he kept him in protective custody and requested him to produce gold. For years Johann Friedrich Böttger was unsuccessful in this effort.