Portal:Poland/Did you know/87


 * ... that the Wawel Dragon statue (pictured) in Kraków breathes fire?
 * ... that the Treaty of Buda enabled Louis I of Hungary to become king of Poland because his uncle had no legitimate sons, but had to be followed by the Treaty of Kassa (Košice) because Louis himself had no sons?
 * ... that Jerzy Żuławski's Trylogia Księżycowa ("Lunar Trilogy"), published between 1901 and 1911, was a major milestone in the history of science fiction and fantasy in Poland?
 * ... that the inmates of Poniatowa concentration camp dug their own graves as fake air-raid trenches?