Battle of Kursk the total size of the Soviet force was 1,910,361 men, with 1,426,352 actual combat soldiers. Soviet armour strength included 4,869 tanks (including 205 KV-1s heavy tank) and 259 SPGs (including 25 SU-152s, 56 SU-122s and 67 SU-76s) Overall a third of the Soviet tanks at Kursk were light tanks, but in some units this proportion was considerably higher. Of the 3,600 tanks in the Central and Voronezh Fronts in July 1943, 1,061 were light as T-60 and T-70. With very thin armor and small gun, they were unable to effectively engage the frontal armour of German medium and heavy tanks
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