Beata Bruggeman-Sekowska The Katyn Massacre refers to the mass execution of over 20,000 Polish military officers, police officers, and intellectuals, carried out by the Soviet NKVD in 1940. This atrocity occurred after both Germany and the Soviet Union invaded Poland in September 1939: Germany attacked from the west on September 1, while the Soviets invaded … Continue reading Daughters of Poland: The Lewandowska Sisters and the War’s Two Fronts