Portal:Poland/Did you know/16

• ... that the Marie Curie Museum building (pictured) in Warsaw, in which the two-time Nobel Prize winner was born, was deliberately destroyed during WWII?
• ... that the PWS-4, a Polish sports aircraft built in 1928, was not developed beyond a single prototype?
• ... that despite great risks, the Polish Jaskółka class minesweeper ORP Rybitwa successfully towed her sister ship ORP Mewa to port after Mewa had been hit by German bombs in September 1939?
• ... that Zbigniew Babiński, a Polish military and sports aviator who constructed gliders before World War I, was one of the victims of the Katyn massacre?
• ... that Ujazdów Avenue in Warsaw was renamed after Stalin in 1953, but the traditional name was restored three years later?