The lower River Oder in Silesia was Piast Poland's western border from the 10th until the 13th century. From around the … See more

Between the wars, the concept of "Western thought" (myśl zachodnia) became popular among some Polish nationalists. The "Polish motherland territories" were defined by scholars, like Zygmunt Wojciechowski, as the area… See more

At Potsdam, Stalin argued for the Oder–Neisse line on the grounds that the Polish Government demanded this frontier and that there were no longer any Germans left east of this line. Several Polish Communis… See more

Winston Churchill was not present at the end of the Conference, since the results of the British elections had made it clear that he had been defeated. Churchill later claimed that he would never have agreed to the Oder–… See more

The East German Socialist Unity Party (SED), founded 1946, originally rejected the Oder–Neisse line. Under Soviet occupation and heavy pressure by Moscow, the official phrase Friedensgrenze (border of peace) was promul… See more