All were of Polish nationality and observed the Catholic faith.
It involved declaring Polish nationality and an oath of allegiance to the Polish nation.
However, in Blizienko there were more than 100 out of 182 inhabitants were of Polish nationality.
About 10% (2,019 people) declared Polish nationality.
At the time of the accident, there were approximately 400 people on board the train, 105 of them of Polish nationality.
In this period the chapter mostly elected bishops of Polish nationality.
But he warned that they must accept their Polish nationality.
People of Polish nationality were, to an extent, avoided during the terror campaigns in 1942.
By early 1946, 932,000 had been verified as having Polish nationality.
Although she has Czech origins, she always emphasized her Polish nationality.