Operation Barbarossa was the invasion of the Soviet Union by Nazi Germany and several of its European Axis allies starting on Sunday, 22 June 1941, during World War II. More than 3.8 million Axis troops invaded the western Soviet Union along a 2,900-kilometer (1,800 mi) front, with the main goal of capturing territory up to a line between Arkhangelsk and Astrakhan, known as the A–A line. The attack became the largest and costliest military offensive in human history, with around 10 million combatants taking part in the opening phase and over 8 million casualties by the end of the operation on 5 December 1941. It marked a major escalation of World War II, opened the Eastern Front—the largest and deadliest land war in history—and brought the Soviet Union into the Allied powers.
The operation, code-named after the Holy Roman Emperor Frederick Barbarossa ("red beard"), put into action Nazi Germany's ideological goals of eradicating communism and conquering the western Soviet Union to repopulate it with Germans under Generalplan Ost, which planned for the removal of the native Slavic peoples by mass deportation to Siberia, Germanisation, enslavement, and genocide. The material targets of the invasion were the agricultural and mineral resources of territories such as Ukraine and Byelorussia and oil fields in the Caucasus. The Axis eventually captured five million Soviet Red Army troops on the Eastern Front and deliberately starved to death or otherwise killed 3.3 million prisoners of war, as well as millions of civilians. Mass shootings and gassing operations, carried out by German paramilitary death squads and collaborators, murdered over a million Soviet Jews as part of the Holocaust.
In the two years leading up to the invasion, Nazi Germany and the Soviet Union signed political and economic pacts for strategic purposes. Following the Soviet occupation of Bessarabia and Northern Bukovina in July 1940, the German High Command began planning an invasion of the country, which was approved by Adolf Hitler in December. In early 1941, Soviet leader Joseph Stalin, despite receiving intelligence about an imminent attack, did not order a mobilization of the Red Army, fearing that it might provoke Germany. As a result, Soviet forces were largely caught unprepared when the invasion began, with many units positioned poorly and understrength.
The invasion began on 22 June 1941 with a massive ground and air assault. The main part of Army Group South invaded from occupied Poland on 22 June, and on 2 July was joined by a combination of German and Romanian forces attacking from Romania. Kiev was captured on 19 September, which was followed by the captures of Kharkov on 24 October and Rostov-on-Don on 20 November, by which time most of Crimea had been captured and Sevastopol put under siege. Army Group North overran the Baltic lands, and on 8 September 1941 began a siege of Leningrad with Finnish forces that ultimately lasted until 1944. Army Group Centre, the strongest of the three groups, captured Smolensk in late July 1941 before beginning a drive on Moscow on 2 October. Facing logistical problems with supply, slowed by muddy terrain, not fully outfitted for Russia's brutal winter, and coping with determined Soviet resistance, Army Group Centre's offensive stalled at the city's outskirts by 5 December, at which point the Soviets began a major counteroffensive.
The failure of Operation Barbarossa reversed the fortunes of Nazi Germany. Operationally, it achieved significant victories and occupied some of the most important economic regions of the Soviet Union, captured millions of prisoners, and inflicted heavy casualties. The German high command anticipated a quick collapse of resistance as in the invasion of Poland, but instead the Red Army absorbed the German Wehrmacht's strongest blows and bogged it down in a war of attrition for which Germany was unprepared. Following the heavy losses and logistical strain of Barbarossa, German forces mounted subsequent offensives on a much narrower front—such as Case Blue in 1942 and Operation Citadel in 1943—both of which ultimately failed.
Operation Barbarossa was the invasion of the Soviet Union by Nazi Germany and several of its European Axis allies starting on Sunday, 22 June 1941, during World War II. More than 3.8 million Axis troops invaded the western Soviet Union along a 2,900-kilometer (1,800 mi) front, with the main goal of capturing territory up to a line between Arkhangelsk and Astrakhan, known as the A–A line. The attack became the largest and costliest military offensive in human history, with around 10 million combatants taking part in the opening phase and over 8 million casualties by the end of the operation on 5 December 1941. It marked a major escalation of World War II, opened the Eastern Front—the largest and deadliest land war in history—and brought the Soviet Union into the Allied powers.
The operation, code-named after the Holy Roman Emperor Frederick Barbarossa ("red beard"), put into action Nazi Germany's ideological goals of eradicating communism and conquering the western Soviet Union to repopulate it with Germans under Generalplan Ost, which planned for the removal of the native Slavic peoples by mass deportation to Siberia, Germanisation, enslavement, and genocide. The material targets of the invasion were the agricultural and mineral resources of territories such as Ukraine and Byelorussia and oil fields in the Caucasus. The Axis eventually captured five million Soviet Red Army troops on the Eastern Front and deliberately starved to death or otherwise killed 3.3 million prisoners of war, as well as millions of civilians. Mass shootings and gassing operations, carried out by German paramilitary death squads and collaborators, murdered over a million Soviet Jews as part of the Holocaust.
In the two years leading up to the invasion, Nazi Germany and the Soviet Union signed political and economic pacts for strategic purposes. Following the Soviet occupation of Bessarabia and Northern Bukovina in July 1940, the German High Command began planning an invasion of the country, which was approved by Adolf Hitler in December. In early 1941, Soviet leader Joseph Stalin, despite receiving intelligence about an imminent attack, did not order a mobilization of the Red Army, fearing that it might provoke Germany. As a result, Soviet forces were largely caught unprepared when the invasion began, with many units positioned poorly and understrength.
The invasion began on 22 June 1941 with a massive ground and air assault. The main part of Army Group South invaded from occupied Poland on 22 June, and on 2 July was joined by a combination of German and Romanian forces attacking from Romania. Kiev was captured on 19 September, which was followed by the captures of Kharkov on 24 October and Rostov-on-Don on 20 November, by which time most of Crimea had been captured and Sevastopol put under siege. Army Group North overran the Baltic lands, and on 8 September 1941 began a siege of Leningrad with Finnish forces that ultimately lasted until 1944. Army Group Centre, the strongest of the three groups, captured Smolensk in late July 1941 before beginning a drive on Moscow on 2 October. Facing logistical problems with supply, slowed by muddy terrain, not fully outfitted for Russia's brutal winter, and coping with determined Soviet resistance, Army Group Centre's offensive stalled at the city's outskirts by 5 December, at which point the Soviets began a major counteroffensive.
The failure of Operation Barbarossa reversed the fortunes of Nazi Germany. Operationally, it achieved significant victories and occupied some of the most important economic regions of the Soviet Union, captured millions of prisoners, and inflicted heavy casualties. The German high command anticipated a quick collapse of resistance as in the invasion of Poland, but instead the Red Army absorbed the German Wehrmacht's strongest blows and bogged it down in a war of attrition for which Germany was unprepared. Following the heavy losses and logistical strain of Barbarossa, German forces mounted subsequent offensives on a much narrower front—such as Case Blue in 1942 and Operation Citadel in 1943—both of which ultimately failed.
Background
Naming
The theme of Barbarossa had long been used by the Nazi Party as part of their political imagery, though this was really a continuation of the glorification of the famous Crusader king by German nationalists since the 19th century. According to a Germanic medieval legend, revived in the 19th century by the nationalistic tropes of German Romanticism, the Holy Roman EmperorFrederick Barbarossa—who drowned in Asia Minor while leading the Third Crusade—was not dead but asleep, along with his knights, in a cave in the Kyffhäuser mountains in Thuringia, and would awaken in the hour of Germany's greatest need and restore the nation to its former glory. Originally, the invasion of the Soviet Union was codenamed Operation Otto (alluding to Holy Roman Emperor Otto the Great's expansive campaigns in Eastern Europe), but Hitler had the name changed to Operation Barbarossa in December 1940. Hitler had in July 1937 praised Barbarossa as the emperor who first expressed Germanic cultural ideas and carried them to the outside world through his imperial mission. For Hitler, the name Barbarossa signified his belief that the conquest of the Soviet Union would usher in the Nazi "Thousand-Year Reich".
Racial policies of Nazi Germany
As early as 1925, Adolf Hitler vaguely declared in his political manifesto and autobiography Mein Kampf that he would invade the Soviet Union, asserting that the German people needed to secure Lebensraum ('living space') in which to thrive for generations to come. On 10 February 1939, Hitler told his army commanders that the next war would be "purely a war of Weltanschauungen ['worldviews']... totally a war of peoples, a racial war". On 23 November, once World War II had already started, Hitler declared that "racial war has broken out and this war shall determine who shall govern Europe, and with it, the world". The racial policy of Nazi Germany portrayed the Soviet Union (and all of Eastern Europe) as populated by non-Aryan Untermenschen ('sub-humans'), ruled by Jewish Bolshevik conspirators. Hitler claimed in Mein Kampf that Germany's destiny was to follow the Drang nach Osten ('drive to the East') as it did "600 years ago" (see Ostsiedlung). Accordingly, it was a partially secret but well-documented Nazi policy to kill, deport, or enslave the majority of Russian and other Slavic populations and repopulate the land west of the Urals with Germanic peoples, under Generalplan Ost (General Plan for the East). The Nazis' belief in their ethnic superiority pervades official records and pseudoscientific articles in German periodicals, on topics such as "how to deal with alien populations."
While older postwar histories tended to emphasize the myth of the "clean Wehrmacht", upholding its honor in the face of Hitler's fanaticism, historian Jürgen Förster notes that "In fact, the military commanders were caught up in the ideological character of the conflict, and involved in its implementation as willing participants". Before and during the invasion of the Soviet Union, German troops were indoctrinated with anti-Bolshevik, anti-Semitic and anti-Slavic ideology via movies, radio, lectures, books, and leaflets. Likening the Soviets to the forces of Genghis Khan, Hitler told the Croatian military leader Slavko Kvaternik that the "Mongolian race" threatened Europe. Following the invasion, many Wehrmacht officers told their soldiers to target "Jewish Bolshevik subhumans", the "Mongol hordes", the "Asiatic flood" and the "Red beast". Nazi propaganda portrayed the war against the Soviet Union as an ideological war between German National Socialism and Jewish Bolshevism and a racial war between the disciplined Germans and the Jewish, Romani and Slavic Untermenschen. An 'order from the Führer' stated that the paramilitary SS Einsatzgruppen, which closely followed the Wehrmacht's advance, were to execute all Soviet functionaries who were "less valuable Asiatics, Gypsies and Jews." Six months into the invasion of the Soviet Union, the Einsatzgruppen had murdered more than 500,000 Soviet Jews, a figure greater than the number of Red Army soldiers killed in battle by then. German army commanders cast Jews as the major cause behind the "partisan struggle". The main view of German troops was "[w]here there's a partisan, there's a Jew, and where there's a Jew, there's a partisan", or "[t]he partisan is where the Jew is." Many of them also saw the war in racial terms, and regarded their Soviet enemies as sub-human.
After the war began, the Nazis issued a ban on sexual relations between Germans and foreign slaves. There were regulations enacted against the Ost-Arbeiter ('Eastern workers') that included the death penalty for sexual relations with a German. Heinrich Himmler, in his secret memorandum, Reflections on the Treatment of Peoples of Alien Races in the East (dated 25 May 1940), outlined the Nazi plans for the non-German populations in the East. Himmler believed the Germanisation process in Eastern Europe would be complete when "in the East dwell only men with truly German, Germanic blood."
The Nazi secret plan Generalplan Ost, prepared in 1941 and confirmed in 1942, called for a "new order of ethnographical relations" in the territories occupied by Nazi Germany in Eastern Europe. It envisaged ethnic cleansing, executions and enslavement of the populations of conquered countries, with very small percentages undergoing Germanisation, expulsion into the depths of Russia or other fates, while the conquered territories would be Germanised. The plan had two parts, the Kleine Planung ('small plan'), which covered actions to be taken during the war and the Große Planung ('large plan'), which covered policies after the war was won, to be implemented gradually over 25 to 30 years.
A speech given by General Erich Hoepner demonstrates the character of the Nazi racial plan, as he informed the 4th Panzer Group that the war against the Soviet Union was "an essential part of the German people's struggle for existence" (Daseinskampf), also referring to the imminent battle as the "old struggle of Germans against Slavs" and even stated, "the struggle must aim at the annihilation of today's Russia and must, therefore, be waged with unparalleled harshness." Hoepner also added that the Germans were fighting for "the defence of European culture against Moscovite–Asiatic inundation, and the repulse of Jewish Bolshevism ... No adherents of the present Russian-Bolshevik system are to be spared." Walther von Brauchitsch also told his subordinates that troops should view the war as a "struggle between two different races and [should] act with the necessary severity." Racial motivations were central to Nazi ideology and played a key role in planning for Operation Barbarossa since both Jews and communists were considered equivalent enemies of the Nazi state. Nazi imperialist ambitions rejected the common humanity of both groups, declaring the supreme struggle for Lebensraum to be a Vernichtungskrieg ('war of annihilation').
German-Soviet relations of 1939–40
On August 23, 1939, Germany and the Soviet Union signed a non-aggression pact in Moscow known as the Molotov–Ribbentrop Pact. A secret protocol to the pact outlined an agreement between Germany and the Soviet Union on the division of the eastern European border states between their respective "spheres of influence", Soviet Union and Germany would partition Poland in the event of an invasion by Germany, and the Soviets would be allowed to overrun Finland, Estonia, Latvia and the region of Bessarabia. The rest of the world learned of this pact later the same day, but were unaware of the provisions to partition Poland. The pact stunned the world because of the parties' earlier mutual hostility and their conflicting ideologies. The conclusion of this pact was followed by the German invasion of Poland on 1 September that triggered the outbreak of World War II in Europe, then the Soviet invasion of Poland that led to the annexation of the eastern part of the country. As a result of the pact, Germany and the Soviet Union maintained reasonably strong diplomatic relations for two years and fostered an important economic relationship. The countries entered a trade pact in 1940 by which the Soviets received German military equipment and trade goods in exchange for raw materials, such as oil and wheat, to help the German war effort by circumventing the British blockade of Germany.
Despite the parties' ostensibly cordial relations, each side was highly suspicious of the other's intentions. For instance, the Soviet invasion of Bukovina in June 1940 went beyond their sphere of influence as agreed with Germany. After Germany entered the Axis Pact with Japan and Italy, it began negotiations about a potential Soviet entry into the pact. After two days of negotiations in Berlin from 12 to 14 November 1940, Ribbentrop presented a draft treaty for a Soviet entry into the Axis. However, Hitler had no intention of allowing the Soviet Union into the Axis and in an order stated, "Political conversations designed to clarify the attitude of Russia in the immediate future have been started. Regardless of the outcome of these conversations, all preparations for the East previously ordered orally are to be continued. [Written] directives on that will follow as soon as the basic elements of the army's plan for the operation have been submitted to me and approved by me." There would be no "long-term agreement with Russia" given that the Nazis intended to go to war with them; but the Soviets approached the negotiations differently and were willing to make huge economic concessions to secure a relationship under general terms acceptable to the Germans just a year before. On 25 November 1940, the Soviet Union offered a written counter-proposal to join the Axis if Germany would agree to refrain from interference in the Soviet Union's sphere of influence, but Germany did not respond. As both sides began colliding with each other in Eastern Europe, conflict appeared more likely, although they did sign a border and commercial agreement addressing several open issues in January 1941. According to historian Robert Service, Joseph Stalin was convinced that the overall military strength of the Soviet Union was such that he had nothing to fear and anticipated an easy victory should Germany attack; moreover, Stalin believed that since the Germans were still fighting the British in the west, Hitler would be unlikely to open up a two-front war and subsequently delayed the reconstruction of defensive fortifications in the border regions. When German soldiers swam across the Bug River to warn the Red Army of an impending attack, they were shot as enemy agents. Some historians believe that Stalin, despite providing an amicable front to Hitler, did not wish to remain allies with Germany. Rather, Stalin might have had intentions to break off from Germany and proceed with his own campaign against Germany to be followed by one against the rest of Europe. Other historians contend that Stalin did not plan for such an attack in June 1941, given the perilous state of the Red Army at the time of the invasion.
Axis invasion plans
Stalin's reputation as a brutal dictator contributed both to the Nazis' justification of their assault and to their expectations of success, as Stalin's Great Purge of the 1930s had executed many competent and experienced military officers, leaving Red Army leadership weaker than their German adversary. The Nazis often emphasized the Soviet regime's brutality when targeting the Slavs with propaganda. They also claimed that the Red Army was preparing to attack the Germans, and their own invasion was thus presented as a pre-emptive strike.