 Nyorera kupfuurira kweiyi ndima - Mukupera kwa1921 kugadziriswa kwemuganhu pakati peWeimar Republic nePoland kwakaitika semhedzisiro yeSilesian Uprisings. Kumukira kwacho kwaiva nhevedzano yemhirizhonga nhatu dzakaitwa pakati pa1919 na1921 nevanhu vePoland mudunhu reUpper Silesia vachipesana neRepublic yeWeimar. Vanhu vokuPoland vomunharaunda yacho vaida kubatana neChipiri Republic yePoland, iyo yakanga yagadzwa pashure peHondo Yenyika I. Chibvumirano cheVersailles cha1919 chakanga chaidaidzira plebiscite muUpper Silesiamuna 1921 kuti vaone kana nharaunda yacho yaifanira kuva rutivi rweGermany kana kuti Poland. 