All areas that were incorporated into Nazi Germany between 1937 and 8 May 1945 were '' de facto '' repudiated at the Yalta and Potsdam Conferences , and were therefore non-issues in the post-war division of Nazi Germany . One exception was Memelland , the incorporation of which at the end of March 1939 was recognised by the UK and France , but not by the USA
Yalta
Yalta Conference
Territorial evolution of Germany