At the beginning of 1943, the German armed forces were in crisis on the southern front in Russia. The Soviets had launched a series of offensives from November 1942 that pushed the Germans back hundreds of kilometers. The Germans had no more significant reserves available, and enormous breaches had opened between defensive lines. In early January 1943, the Soviets attacked again, with the aim of reconquering the industrial city of Kharkov and destroying the remaining German and Axis troops in southern Ukraine, including the 4. Panzerarmee, 1. Panzerarmee, Armeeabteilung Hollidt and Armeeabteilung Fretter-Pico. After the encirclement of 6. Armee at Stalingrad and the destruction of the Axis forces there, the loss of these four armies would certainly have led to German defeat on the Eastern Front. Believing victory was near, Stalin and his generals decided to launch their new offensives even before the garrison of Stalingrad surrendered. The main effort fell on Army Group Don, newly form
