On April 11, 1943, the first news about the crime committed in the forest near Katyn was released to the world.
Legendary opera singer died on July 25, 2020.
On May 12, 1970, General Władysław Anders, Commander-in-Chief of the Polish Armed Forces in 1944-1945, died in exile in London.
On 4 July 1943, at 23:07, moments after take-off from Gibraltar Airport, Liberator II aircraft AL523 with General Władysław Sikorski on board, crashed into the Mediterranean Sea.
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 August 12, 1941, the authorities of the Soviet Union gave "amnesty" to hundreds of thousands of Poles deported to Siberia.