Battle of Kursk of the offensive. July and August 1943 saw the heaviest German ammunition expenditure on the Eastern Front up to that point, with 236,915 tons consumed in July and 254,648 in August. The previous peak had been 160,645 tons in September 1942. The Red Army used two Fronts for the defence of Kursk, and created a third front behind the battle area which was held as a reserve. The Central and Voronezh Fronts fielded 12 armies, with 711,575 men (510,983 combat soldiers) and 625,591 men (446,236 combat soldiers) respectively. In reserve, the Steppe Front had an additional 573,195 men (449,133). Thus
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