 The districts of Graudenz, Konitz, Culm, Löbau, Schwetz, Strasburg in West Prussia, and Thorn became part of the Pomeranian Voivodeship of Poland.On 26 October 1939, following the Wehrmacht's conquest of the Polish Corridor at the beginning of World War II, the Region of West Prussia was transferred from East Prussia to the newly created Reichsgau Danzig-West Prussia.It was also given back its original name of Marienwerder Region and included besides of German districts also occupational district authorities on Polish territory.