Rubuta ci gaba don wannan sakin layi - Bayan Union of Lublin (1569), an canja Bielsko daga Grand Duchy na Lithuania zuwa Masarautar Poland. Bielsk wani birni ne na masarautar Poland, wanda ke cikin Podlaskie Voivodeship a lardin Lesser Poland na Poland Crown. Garin ya bunƙasa, tare da majami'u, asibiti, injina, shaguna da masu sana'a 265 (kamar na 1576). Bielsko ya ƙone a 1591, kuma mamayewar Sweden ta Poland
ya kawo kusan cikakken hallaka (1655).