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 birth rates and immigration. According to a 2012 survey 68.7% of the population of Kursk Oblast adheres to the Russian Orthodox Church. In addition, 24% of the population declares to be "spiritual but not religious", 4% is atheist, and 3.3% follows other religions or did not give an answer to the question. Slavic tribes of the Severians inhabited the area. From 830 the Kursk was part of the Rus' Khaganate and Kievan Rus' states. Although territory of Kursk Oblast had been populated since the end of the last Ice Age, information about the cities was scanty until 1596 when the