Religious persecution
The Catholic Church was particularly suppressed in Poland: between 1939 and 1945, an estimated 3,000 members (18%) of the Polish clergy, were murdered; of these, 1,992 died in concentration camps. In the annexed territory of "Reichsgau Wartheland" it was even more harsh: churches were systematically closed and most priests were either killed, imprisoned, or deported to the General Government. Eighty per cent of the Catholic clergy and five bishops of Warthegau were sent to concentration camps in 1939; 108 of them are regarded as blessed martyrs. Religious persecution was not confined to Poland: in Dachau concentration camp alone, 2,600 Catholic priests from 24 different countries were killed.