List of people from former eastern territories of Germany Areas annexed by Nazi Germany History of German settlement in Central and Eastern Europe Ostsiedlung Drang nach Osten Major treaties affecting the former eastern territories of Germany: Congress of Vienna Treaty of Frankfurt (1871) Treaty of Brest-Litovsk World War II evacuation and expulsion Expulsion of Poles by Germany Evacuation, flight and expulsion of Germans from those territories: Evacuation of German civilians during the end of World War II Evacuation of East Prussia Flight and expulsion of Germans (1944–50) Flight and expulsion of Germans from Poland during and after World War II Polish population transfers (1944–1946)