page_title: Eastern Front (World War II)
section_title: Forces
hierarchical_section_title: Eastern Front (World War II) / Forces
context_page_description: The Eastern Front of World War II was a theatre of conflict between the European Axis powers and co-belligerent Finland against the Soviet Union, Poland and other Allies, which encompassed Central Europe, Eastern Europe, Northeast Europe, and Southeast Europe from 22 June 1941 to 9 May 1945. It is known as the Great Patriotic War in the Soviet Union and some of its successor states, while everywhere else it was called the Eastern Front.
  The battles on the Eastern Front of the Second World War constituted the largest military confrontation in history. They were characterised by unprecedented ferocity, wholesale destruction, mass deportations, and immense loss of life due to combat, starvation, exposure, disease, and massacres. Of the estimated 70–85 million deaths attributed to World War II, around 30 million occurred on the Eastern Front. The Eastern Front was decisive in determining the outcome in the European theatre of operations in World War II, eventually serving as the main reason for the defeat of Nazi Germany and the Axis nations.
  The two principal belligerent powers were Germany and the Soviet Union, along with their respective allies.
context_section_description: The war was fought between Nazi Germany, its allies and Finland, against the Soviet Union and its allies. The conflict began on 22 June 1941 with the Operation Barbarossa offensive, when Axis forces crossed the borders described in the German–Soviet Nonaggression Pact, thereby invading the Soviet Union. The war ended on 9 May 1945, when Germany's armed forces surrendered unconditionally following the Battle of Berlin (also known as the Berlin Offensive), a strategic operation executed by the Red Army.
  The states that provided forces and other resources for the German war effort included the Axis Powers – primarily Romania, Hungary, Italy, pro-Nazi Slovakia, and Croatia. Anti-Soviet Finland, which had fought the Winter War against the Soviet Union, also joined the offensive. The Wehrmacht forces were also assisted by anti-Communist partisans in places like Western Ukraine, and the Baltic states. Among the most prominent volunteer army formations was the Spanish Blue Division, sent by Spanish dictator Francisco Franco to keep his ties to the Axis intact.
  The Soviet Union offered support to the partisans in many Wehrmacht-occupied countries in Central Europe, notably those in Slovakia, Poland. In addition, the Polish Armed Forces in the East, particularly the First and Second Polish armies, were armed and trained, and would eventually fight alongside the Red Army. The Free French forces also contributed to the Red Army by the formation of the GC3 (Groupe de Chasse 3 or 3rd Fighter Group) unit to fulfil the commitment of Charles de Gaulle, leader of the Free French, who thought that it was important for French servicemen to serve on all fronts.
  The above figures includes all personnel in the German Army, i.e. active-duty Heer, Waffen SS, Luftwaffe ground forces, personnel of the naval coastal artillery and security units. In the spring of 1940, Germany had mobilised 5,500,000 men. By the time of the invasion of the Soviet Union, the Wehrmacht consisted of c, 3,800,000 men of the Heer, 1,680,000 of the Luftwaffe, 404,000 of the Kriegsmarine, 150,000 of the Waffen-SS, and 1,200,000 of the Replacement Army (contained 450,400 active reservists, 550,000 new recruits and 204,000 in administrative services, vigiles and or in convalescence). The Wehrmacht had a total strength of 7,234,000 men by 1941. For Operation Barbarossa, Germany mobilised 3,300,000 troops of the Heer, 150,000 of the Waffen-SS and approximately 250,000 personnel of the Luftwaffe were actively earmarked.
  By July 1943, the Wehrmacht numbered 6,815,000 troops. Of these, 3,900,000 were deployed in eastern Europe, 180,000 in Finland, 315,000 in Norway, 110,000 in Denmark, 1,370,000 in western Europe, 330,000 in Italy, and 610,000 in the Balkans. According to a presentation by Alfred Jodl, the Wehrmacht was up to 7,849,000 personnel in April 1944. 3,878,000 were deployed in eastern Europe, 311,000 in Norway/Denmark, 1,873,000 in western Europe, 961,000 in Italy, and 826,000 in the Balkans. About 15–20% of total German strength were foreign troops (from allied countries or conquered territories). The German high water mark was just before Battle of Kursk, in early July 1943: 3,403,000 German troops and 650,000 Finnish, Hungarian, Romanian and other countries troops.
  For nearly two years the border was quiet while Germany conquered Denmark, Norway, France, the Low Countries, and the Balkans. Hitler had always intended to renege on his pact with the Soviet Union, eventually making the decision to invade in the spring of 1941.
  Some historians say Stalin was fearful of war with Germany, or just did not expect Germany to start a two-front war, and was reluctant to do anything to provoke Hitler. Others say that Stalin was eager for Germany to be at war with capitalist countries. Another viewpoint is that Stalin expected war in 1942 (the time when all his preparations would be complete) and stubbornly refused to believe its early arrival.
  British historians Alan S. Milward and M. Medlicott show that Nazi Germany—unlike Imperial Germany—was prepared for only a short-term war 
caption: German infantry in Russia, June 1943
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