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 Oblast Kursk stronghold was built. Later it was part of Grand Duchy of Lithuania under the Jagiellonian dynasty. It was lost in the Muscovite–Lithuanian Wars to the Muscovite Rus'. A real growth of the area around Kursk began soon after that, with a large migration from Central Russia after famine in the beginning of the 17th century. Between 1708 and 1719, Kursk was a part of the newly created Kiev Governorate. From 1719 to 1727 it was a part of Belgorod province of Kiev Governorate. Later Kursk uyezd was a part of Belgorod Governorate. On May 23, 1779, Kursk Governorate was