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 18 March 1921, the treaty ending the Polish-Bolshevik war (the so-called Treaty of Riga) was signed in Riga.
“Poles! The hour of vengeance has come. Today die or prevail! Let us go, and let your breasts be Thermopylae for your enemies!”