On 14April 1945 , the U.S. Army entered the town and freed the prisoners . However , under agreements signed at the Yalta Conference , the Americans withdrew and were replaced by Soviet occupation forces late in June 1945 . As a result , Colditz and the entire state of Saxony became part of East Germany . In 1958 , the publicly owned porcelain factory was established . It produced a major part of the dishes used by Mitropa , as evident by the manufacturer 's logo " cp " . Both porcelain and chamotte industry went into decline after 1990
Yalta Conference
Yalta Conference
Colditz