Terebovlia
Until September 17 , 1939 , the day of the Soviet invasion of Poland , Trembowla was a county seat within the Tarnopol Voivodeship of the Second Polish Republic . 
<triplet> Soviet invasion of Poland <subj> September 17, 1939 <obj> start time <triplet> Tarnopol Voivodeship <subj> Second Polish Republic <obj> country