During the Second Polish Republic in the interwar period , Biała Podlaska was growing fast . The town was the seat of the Podlaska Wytwórnia Samolotów ( PWS ) , an important airplane factory . There was also a garrison of the 34th infantry regiment of the Polish Armed Forces . The regiment , formed in 1919 , fought successfully in the Polish – Soviet War , and also fought against Germans and Soviets in September campaign of 1939 . The last commander of the regiment , lieutenant colonel Wacław Budrewicz , was taken prisoner of war by Soviets and murdered by them in the 1940 Katyn massacre
Katyn massacre
Katyn massacre
Biała Podlaska