Keywords: Territorial changes of Poland 1921.jpg The Silesian Uprisings Polish Powstania Å›lÄ…skie were a series of three armed uprisings 1919 “1921 of the Polish people in the Upper Silesia region against Weimar Republic in order to join the region where in some parts Poles constituted a majority from Germany and join it with the new Polish state which had been established following World War I 1914 “1918 The Treaty of Versailles had ordered a plebiscite in Upper Silesia to determine whether the territory should be a part of Germany or Poland The plebiscite took place as arranged on March 20 two days after the signing of the Treaty of Riga on March 18 1921 which ended the Polish-Soviet war of 1919 “1920 In the plebiscite around 707 605 votes were cast for Germany while 479 359 for Poland The Germans thus had 228 246 votes of majority The question of the Upper Silesia problem was turned over to the Council of the League of Nations The commission consisting of four representatives ”one each from Belgium Brazil Spain and China The commission gathered its own data interviewed Poles and Germans from the region and made its decision on the basis of self-determination On the basis of the reports of this commission and those of its experts on October 1921 the Council awarded the greater part of the Upper Silesian industrial district to Poland Own Created March 31 2009 Esemono thumb 300px Based on this file 1921 in Poland Territorial evolution of Poland Maps of the Second Polish Republic Maps of Silesia |