The Russian communist revolutionary and politician Vladimir Lenin began his active revolutionary activity in 1892, and continued till assuming power in the Russian Revolution of 1917. Following on from his early life, during which he had become devoted to the cause of revolution against the Tsarist regime in the Russian Empire and converted to Marxism, Lenin moved to St. Petersburg. There he joined a revolutionary cell, and became a vocal advocate for Marxism within the revolutionary socialist movement. Entering a relationship with fellow Marxist Nadezhda Krupskaya, he toured Western Europe to build ties with other Russian revolutionary emigres and learn more about the international Marxist movement. Upon returning to Russia, he was arrested for sedition in 1895 and exiled to Shushenskoye