Legendary opera singer died on July 25, 2020.
On August 12, 1941, the authorities of the Soviet Union gave "amnesty" to hundreds of thousands of Poles deported to Siberia.
The Sikorski-Mayski Agreement - Document that Gave Freedom
The day of 25 June 1941 in Białystok had a tragic both end and beginning.
On May 12, 1935, Marshal Józef Piłsudski died. He was buried at Wawel, in the crypt under the Tower of Silver Bells.
The Union of Soviet Socialist Republics was the first communist state in history. The decision to create it was taken on 30 December 1922.