The Belgorod–Kharkov strategic offensive operation, or simply Belgorod–Kharkov offensive operation, was a Soviet strategic summer offensive that aimed to liberate Belgorod and Kharkov, and destroy Nazi German forces of the 4th Panzer Army and Army Detachment Kempf. The operation was codenamed Operation General Rumyantsev, after the 18th-century Field Marshal Peter Rumyantsev and was conducted by the Voronezh and Steppe Fronts in the southern sector of the Kursk Bulge. The battle was referred to as the Fourth Battle of Kharkov by the Germans.