In 1950, the city of Częstochowa became part of Katowice Voivodeship, and next year, the city of Bielsko-Biała was created out of Lesser Poland's Biala Krakowska, and Upper Silesia's Bielsko. Source: Internet
The Biala Rebbe ordered not to count in a minyan those who cooperate with the police and inform on illegal prayer services. Source: Internet