According to the Treaty of Versailles after World War I the Upper Silesia plebiscite was organised by the League of Nations.
According to the Treaty of Versailles after World War I the inhabitants were asked whether they want to remain in Germany or join the new Second Polish Republic in the East Prussian plebiscite on 11 July 1920, 19, 984 votes were given to remain in Germany, 4, 904 votes for Poland.
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