Portal:Poland/Did you know/20




 * ... that the so-called Hungarian Crown (pictured), part of the Polish Crown Jewels, was modeled after the Holy Crown of Hungary?
 * ... that Mikołaj Błociszewski was the Polish negotiator in the diplomatic talks whose failure led to the Polish-Lithuanian–Teutonic War of 1409–1411?
 * ... that the Sanok Castle was the seat of Isabella Jagiellon, Queen of Hungary, after her escape from Transylvania?
 * ... that the Heu-Aktion involved systematic kidnapping of Polish children by Nazi Germany?
 * ... that Dawid Baziak began his professional mixed martial arts career with five consecutive technical knockout victories?