On May 18, 1944, soldiers of the 2 Polish Corps hung the Polish flag on the ruins of the Monte Cassino monastery.
The date of 11 November 1918, being the day on which Poland regained its independence, is a symbolic date. Exactly on that day, an armistice ending the First World War was concluded in a wagon in the forest of Compiègne.
On May 12, 1935, Marshal Józef Piłsudski died. He was buried at Wawel, in the crypt under the Tower of Silver Bells.
The first Siberian fortresses were built by Polish prisoners of war who had been taken captive by Moscow authorities precisely during the war initiated by Stefan Batory.