Michał Piaszczyński
Michael Piaszczynski (1 November 1885 – 18 December 1940) was a Polish Catholic priest who was arrested by the Nazis and killed at Sachsenhausen concentration camp. As a martyr he was beatified by Pope John Paul II on 13 June 1999.
In the Martyrology
- December 20 Blessed Michał Piaszczyński, priest and martyr at Sachsenhausen concentration camp