European Russia
Social Democrats split into Mensheviks and Bolsheviks
After a meeting in London, Lenin's Socialists split into two groups. One of the groups, those who supported Lenin, were known as the Bolsheviks and were the more radical of the two. The other group, the ones who upposed Lenin's radical ideas, were known as the Mensheviks.
Related: First Duma | Russian Revolution | Treaty of Brest-Litovsk, Russian Civil War | Commintern Established | New Economic Policy | First Five Year Plan | Second Five Year Plan | The Purges

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