Donbass Strategic Offensive (July 1943) Donbass Strategic Offensive (July 1943) The Donbass Strategic Offensive was a military campaign fought in the Donets Basin from 17 July 1943 and 2 August 1943 between the German and Soviet armed forces on the Eastern Front of World War II. The Germans contained the Soviet offensive in its northern portion after initial gains and pushed the southern portion back to its starting point. In July 1943, while the Battle of Kursk was raging to the north, two German armies of Army Group South in the Donets Basin confronted two Soviet army groups on a 660-kilometer front. Stavka launched two
German code breaking in World War II 1941. While the Germans appreciated the gift from their ally, they did not explain that they were already able to read "Black" code messages. In general, however, German performance in code breaking was weak due to the fragmentation of responsibility and specialized personnel. The Navy's "B-Dienst" was an exception to the rule, although its successes largely ended when the Allies began using more sophisticated encryption methods by 1943. German code breaking in World War II German code breaking in World War II achieved some notable successes cracking British Naval ciphers until well into the fourth year of the war, but