The East Prussian plebiscite, also known as the Allenstein and Marienwerder plebiscite or Warmia, Masuria and Powiśle plebiscite, was a plebiscite for the self-determination of the regions of southern
1920 Allied visa to exit Allenstein.
![Handover of the plebiscite area by the Allied commission, Allenstein Regional Government House [de], 16 August 1920](https://upload.wikimedia.org/wikipedia/commons/thumb/5/5f/%C3%9Cbergabe_des_Abstimmungsgebietes.JPG/500px-%C3%9Cbergabe_des_Abstimmungsgebietes.JPG)
Handover of the plebiscite area by the Allied commission, Allenstein Regional Government House [de], 16 August 1920
2nd Republic early passport with an Inter-Allied visa from Marienwerder, 1920.
The "German House", the headquarters of the Ostdeutscher Heimatdienst, in Allenstein in July 1920
Free State of Prussia
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The Free State of Prussia was one of the constituent states of the Weimar Republic from 1918 to 1933 and then the German Reich from 1933 to 1945. It was the successor to the Kingdom of Prussia after t
1920 East Prussian plebiscite
…97% in the Allenstein Plebiscite Area and 92% in the Marienwerder Plebiscite Area). As a result, most of the territories in question remained in the Free State of Prussia and therefore in Germany. The area concerned had changed hands at various times over the centuries between the Old Prussians, the monastic state of the…
Paul Hirsch, Prussian leader of the Majority SPD (MSPD)
Otto Braun, who became the Free State of Prussia's longest serving Minister President
The Prussian House of Representatives, seat of the Landtag of Prussia
Carl Severing, as Prussian minister of the Interior, he was key in democratising the state's administration.