The Battle of Debrecen, called by the Red Army the Debrecen Offensive Operation, (6–29 October 1944) was conducted by the 2nd Ukrainian Front on the Eastern Front of World War II. It was opposed by Army Group South Ukraine's General Maximilian Fretter-Pico's Sixth Army (II formation) and allied Hungarian VII Army Corps units which were forced to retreat some 160 kilometers, while opposing Marshal Rodion Malinovsky's 2nd Ukrainian Front which had Debrecen, Hungary as its strategic objective.