Mezue ahịrịokwu na-esonụ: Mgbe Union nke Lublin (1569), e si na Grand Duchy nke Lithuania bufee Bielsko na Alaeze Poland. Bielsk bụ obodo eze nke Poland, nke dị na Podlaskie Voivodeship na Obere Poland Province nke okpueze Polish. Obodo ahụ nwere ọganihu, na ụlọ ụka, ụlọ ọgwụ, igwe, ụlọ ahịa na ndị omenkà 265 (dị ka nke 1576). Bielsko gbara ọkụ n'afọ 1591,
Ọgụ ndị Sweden wakporo Poland wetara ihe fọrọ nke nta ka ọ bụrụ mbibi zuru ezu (1655).