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.
“Poles! The hour of vengeance has come. Today die or prevail! Let us go, and let your breasts be Thermopylae for your enemies!”