Vladimir Ilich Ulyanov, commonly known as Lenin, was a Russian communist revolutionary and politician who led the October Revolution in 1917. Lenin's ideas and writings continue to shape the development of communism and socialist movements globally. Lenin was also known as a great theoretician, strategist, and ideologue. Some synonyms for the name include Lenin, V.I. Lenin, Vladimir Lenin, and Ulyanov. Lenin's ideas of socialism, Marxism, and communism were influential in shaping the political and economic courses of many countries in the 20th century, including Russia, China, and Cuba. Lenin's contributions to the global socialist movement were significant, and his name remains iconic in the history of socialism and political revolutions.