Estado secreto polaco
Natalia Tułasiewicz (9 April 1906 – 31 March 1945) was a teacher in Poznań, Poland and a leader in the Catholic lay apostolate. A member of the Polish Underground State, she died in the Ravensbrück concentration camp, in a gas chamber. Tułasiewicz was beatified in 1999 as one of the 108 Martyrs of World War II.