- ... that the Carpathian newt (pictured), native to the mountains of southern Poland, sometimes hybridises with the smooth newt?
- ... that Florian Znaniecki was the father of sociology in Poland?
- ... that the first president of Poland, Gabriel Narutowicz, was assassinated five days after taking office, amidst a right-wing propaganda campaign accusing him of being "an atheist, a Freemason, and a Jew"?
- ... that "We want to be Germans and nothing but Germans" was a call sent out to the world by the Jungdeutsche Partei members of the German minority living in prewar Poland?