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Russian Revolution
It removed Russia from the war and brought about the transformation of the Russian Empire into the Union of Soviet Socialist Republics (USSR), replacing Russia's traditional monarchy with the world's first Communist state. -
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Russian Civil War
The Russian Civil War was a long struggle for the control of Russia. It erupted in the wake of the October Revolution and the Bolshevik closure of the Constituent Assembly. The Civil War was fought on several fronts by different leaders and groups, each with different political ideals and objectives -
Russian Ceasefire with Germany
The Treaty of Brest-Litovsk (also known as the Treaty of Brest in Russia) was a separate peace treaty signed on March 3, 1918, between the new Bolshevik government of Russia and the Central Powers (German Empire, Austria-Hungary, Bulgaria, and the Ottoman Empire), that ended Russia's participation in World War I. -
Germany attacks Soviet Union
Operation Barbarossa was the code name for the Axis invasion of the Soviet Union during World War II. The operation put into action Nazi Germany's ideological goal of conquering the western Soviet Union so as to repopulate it with Germans. -
Tehran Conference
The Tehran Conference was a strategy meeting of Joseph Stalin, Franklin D. Roosevelt, and Winston Churchill after the Anglo-Soviet Invasion of Iran. It was held in the Soviet Union's embassy in Tehran, Iran. -
Yalta Conference
The Yalta Conference, also known as the Crimea Conference and code-named Argonaut and Magneto was the World War II meeting of the heads of government of the United States, the United Kingdom, and the Soviet Union to discuss the postwar reorganization of Germany and Europe. -
Germany Surrenders
Gen Alfred Jodl, representing the German High Command, signed a document unconditionally surrendering all German military forces, to take effect the following day, thereby all but ending World War II in Europe. -
Postdam Conference
The Potsdam Conference was held in Potsdam, Germany. The participants were the Soviet Union, the United Kingdom, and the United States, represented respectively by Premier Joseph Stalin, Prime Ministers Winston Churchill and Clement Attlee, and President Harry S. Truman. -
Soviet Union declares war on Japan
The Soviet invasion came as a fulfilment of Stalin's promise – made to British and American leaders at the Tehran and Yalta conferences – to join the war against Japan following the defeat of Nazi Germany. But it also came in violation of the Soviet-Japanese neutrality pact signed in 1941.