Why is Lenin important in history?

Lenin is important in history because:

"Vladimir Lenin" have great importance in the history of Russian revolution. He was the ruler or head of the Bolshevik Radical Socialist Party (further renamed as the Communist Party), which took power in the October period of the 1917 Russian Revolution. Lenin began to plan a dissolution of the Provisional Government.

The Bolsheviks seized government power and declared Soviet rule, making Lenin the world's first communist state leader. With the Brest-Litovsk Treaty, the new Soviet Government ended Russian involvement in World War I. Lenin led the new Soviet government that had developed in Russia after the revolution. On its formation in 1922, he became the chief of the U. S. S. R.