The Russian Revolution of 1917 was led by the Bolshevik Party. The Bolsheviks were the radical elements of Russia's communist party that believed the only way to fix Russia was to overthrow the capitalist system. The provisional government's decision to continue fighting Germany in World War One alienated the Russian people, and communism grew in popularity as a new alternative. Finally, the Bolsheviks staged the October Revolution, where they seized control of St. Petersburg in 1917 and began spreading their influence throughout Russia. Soon after the Bolsheviks came to power, a civil war erupted between the communist Red Army and the loyalist White Army, which opposed Lenin. It wasn't until 1923 that the White Army was defeated and the USSR was born.
Here are some links for more information. The first one describes the Bolshevik Revolution in general, and the second one is a BBC account of Lenin's life and the pivotal role he played in the formation of Soviet Russia.
The Union of Soviet Socialist Republics
Right after the October Revolution, in 1918 Russia was renamed the Russian Soviet Federative Socialist Republic. In 1922 it joined with the republics of Ukraine, Belorussia and the Transcaucasus Federation (Georgia, Armenia and Azerbaijan) to form the Union of Soviet Socialist Republics, the Soviet Union. "Russia" was not simply renamed the Soviet Union.
After the October Revolution, Russia became the Russian Soviet Federated Socialist Republic. In December 1922, it joined with Ukraine, Belorussia and the Transcaucasus Federation (Georgia, Armenia and Azerbaijan) to form the Union of Soviet Socialist Republics.
The first soviet socialist republics in 1922 were Russia, Ukraine, Belorussia and the Transcaucasus Federation (Georgia, Armenia and Azerbaijan).
The Union of Soviet Socialist Republics or the USSR, was formed in 1922. when Russia merged with the Republic of Ukraine.
The Union of Soviet Socialist Republics
Russia was by far the largest of the republics.
Right after the October Revolution, in 1918 Russia was renamed the Russian Soviet Federative Socialist Republic. In 1922 it joined with the republics of Ukraine, Belorussia and the Transcaucasus Federation (Georgia, Armenia and Azerbaijan) to form the Union of Soviet Socialist Republics, the Soviet Union. "Russia" was not simply renamed the Soviet Union.
The "Russian Soviet Federated Socialist Republic" was the new name for Russia and its incorporated countries after the Revolution. It was not until 1923-1924 that it adopted the name "Union of Soviet Socialist Republics" (USSR) after it joined with Belorussia, Georgia and the Transcaucasus Federation.
After the October Revolution, Russia became the Russian Soviet Federated Socialist Republic. In December 1922, it joined with Ukraine, Belorussia and the Transcaucasus Federation (Georgia, Armenia and Azerbaijan) to form the Union of Soviet Socialist Republics.
The first soviet socialist republics in 1922 were Russia, Ukraine, Belorussia and the Transcaucasus Federation (Georgia, Armenia and Azerbaijan).
Union of Soviet Socialist Republics (U.S.S.R.)
The Union of Soviet Socialist Republics or the USSR, was formed in 1922. when Russia merged with the Republic of Ukraine.
in 1922
Lenin established the Soviet Union. After taking over Russia he entered into a treaty with Ukraine, Belorussia and the Transcaucasus Federation (Georgia, Armenia and Azerbaijan) to join together as one nation, the Union of Soviet Socialist Republics.
The Union of Soviet Socialist Republics. The USSR was the whole thing, including Russia. Kazakhstan was the next largest after Russia.
It was the Union of Soviet Socialist Republics.