 Nyora kupfuurira kweiyi ndima - Mushure mekumukira kwechitatu kweSilesianye1921 uye yakatevera Upper Silesia plebiscite iyo 1427 kana 82.1 yevagari muAlt Berun uye 292 kana 58.4 yevagari muNeuberun vakavhotera Poland, Berun yakabatanidzwa muChipiri Polish Republic uye munguva pfupi yapfuura yakatumidzwa zita rekuti Bieruń. Kubva muna 1975 kusvika muna 1991 raive dunhu reruwa rwakavakidzana Tychy. 