- ... that slippery jacks (pictured), known in Polish as maślaki, deriving from a word meaning "buttery", are considered a delicacy in Polish cuisine?
- ... that the Smithsonian Channel documentary Treblinka: Hitler's Killing Machine was inspired by bathroom tiles made by the company now known as Opoczno S.A.?
- ... that during the Holocaust, Roman Gross was rescued from the Tarnopol Ghetto by Józef Regent, whom he in turn had rescued from deportation earlier in the war?
- ... that at the age of thirteen, Shmuel Shilo survived three roundups of Jews from the Łuck Ghetto and lived to tell the story?