page_title: History of Russia
section_title: World War II
hierarchical_section_title: History of Russia / Soviet Union (1922–1991) / World War II
caption_attribution_description: The iconic "Raising a flag over the Reichstag" photo by Yevgeny Khaldei
context_page_description: The history of Russia begins with the histories of the East Slavs. The traditional start-date of specifically Russian history is the establishment of the Rus' state in the north in 862 ruled by Vikings. Staraya Ladoga and Novgorod became the first major cities of the new union of immigrants from Scandinavia with the Slavs and Finno-Ugrians. In 882 Prince Oleg of Novgorod seized Kiev, thereby uniting the northern and southern lands of the Eastern Slavs under one authority. The state adopted Christianity from the Byzantine Empire in 988, beginning the synthesis of Byzantine and Slavic cultures that defined Orthodox Slavic culture for the next millennium. Kievan Rus' ultimately disintegrated as a state due to the Mongol invasions in 1237–1240 along with the resulting deaths of about half the population of Rus'.
  After the 13th century, Moscow became a cultural center. The territories of the Grand Duchy of Moscow became the Tsardom of Russia in 1547. In 1721 Tsar Peter the Great renamed his state as the Russian Empire, hoping to associate it with historical and cultural achievements of ancient Rus' – in contrast to his policies oriented towards Western Europe.
context_section_description: On 17 September 1939, sixteen days after the start of World War II and with the victorious Germans having advanced deep into Polish territory, the Red Army invaded eastern Poland, stating as justification the "need to protect Ukrainians and Belarusians" there, after the "cessation of existence" of the Polish state. As a result, the Belarusian and Ukrainian Soviet republics' western borders were moved westward, and the new Soviet western border was drawn close to the original Curzon line. In the meantime negotiations with Finland over a Soviet-proposed land swap that would redraw the Soviet-Finnish border further away from Leningrad failed, and in December 1939 the USSR invaded Finland, beginning a campaign known as the Winter War (1939–40). The war took a heavy death toll on the Red Army but forced Finland to sign a Moscow Peace Treaty and cede the Karelian Isthmus and Ladoga Karelia. In summer 1940 the USSR issued an ultimatum to Romania forcing it to cede the territories of Bessarabia and Northern Bukovina. At the same time, the Soviet Union also occupied the three formerly independent Baltic states (Estonia, Latvia and Lithuania).
  The peace with Germany was tense, as both sides were preparing for the military conflict, and abruptly ended when the Axis forces led by Germany swept across the Soviet border on 22 June 1941. By the autumn the German army had seized Ukraine, laid a siege of Leningrad, and threatened to capture the capital, Moscow, itself. Despite the fact that in December 1941 the Red Army threw off the German forces from Moscow in a successful counterattack, the Germans retained the strategic initiative for approximately another year and held a deep offensive in the south-eastern direction, reaching the Volga and the Caucasus. However, two major German defeats in Stalingrad and Kursk proved decisive and reversed the course of the entire World War as the Germans never regained the strength to sustain their offensive operations and the Soviet Union recaptured the initiative for the rest of the conflict. By the end of 1943, the Red Army had broken through the German siege of Leningrad and liberated much of Ukraine, much of Western Russia and moved into Belarus. By the end of 1944, the front had moved beyond the 1939 Soviet frontiers into eastern Europe. Soviet forces drove into eastern Germany, capturing Berlin in May 1945. The war with Germany thus ended triumphantly for the Soviet Union.
  As agreed at the Yalta Conference, three months after the Victory Day in Europe the USSR launched the Soviet invasion of Manchuria, defeating the Japanese troops in neighboring Manchuria, the last Soviet battle of World War II.
  Although the Soviet Union was victorious in World War II, the war resulted in around 26–27 million Soviet deaths (estimates vary) and had devastated the Soviet economy in the struggle. Some 1,710 towns and 70,000 settlements were destroyed. The occupied territories suffered from the ravages of German occupation and deportations of slave labor by Germany. Thirteen million Soviet citizens became victims of the repressive policies of Germany and its allies in occupied territories, where people died because of mass murders, famine, absence of elementary medical aid and slave labor. The Nazi Genocide of the Jews, carried out by German Einsatzgruppen along with local collaborators, resulted in almost complete annihilation of the Jewish population over the entire territory temporarily occupied by Germany and its allies. During the occupation, the Leningrad region lost around a quarter of its population, Soviet Belarus lost from a quarter to a third of its population, and 3.6 million Soviet prisoners of war (of 5.5 million) died in German camps.
caption: Raising a Flag over the Reichstag — symbol of Soviet victory in WWII.
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