Video: 'World at War - Genocide' (July 24, 1944, at 1:34)

(Monday, July 24, 1944; part of The Holocaust during World War II) — Soviet forces liberated the Majdanek concentration camp on the outskirts of the city of Lublin in eastern Poland today, the first to be liberated from Nazi control.

In less than three years of operation, an estimated 78,000 prisoners, mainly Jews, had been murdered at the site.

Video: 'Majdanek concentration camp' (parts 1-5)