Battle of Kursk guns and mortars. In 1943 an offensive by the Soviet Central, Bryansk and Western Fronts against Army Group Centre was abandoned shortly after it began in early March, when the southern flank of the Central Front was threatened by Army Group South. Soviet intelligence received information about German troop concentrations spotted at Orel and Kharkov, as well as details of an intended German offensive in the Kursk sector through the Lucy spy ring in Switzerland. The Soviets verified the intelligence via their spy in Britain, John Cairncross, at the Government Code and Cypher School at Bletchley Park, who clandestinely forwarded
Kursk Kursk Kursk () is a city and the administrative center of Kursk Oblast, Russia, located at the confluence of the Kur, Tuskar, and Seym Rivers. The area around Kursk was the site of a turning point in the Soviet–German struggle during World War II and the site of the largest tank battle in history. Population: Archaeology indicates that the site of Kursk was settled in the 5th or 4th century BCE. The settlement was fortified and included Slavs at least as early as the 8th century CE. The first written record of Kursk is dated 1032. It was mentioned as