 Nyorai kupfuurira kweiyi ndima - Kutapwa kwake kwakapera, muna 1900 akatamira kuWestern Europe, kwaakabatana nedare rekunyora re Iskra, bhuku reMarxist Russian Social Democratic Labour Party RSDLP. Nzvimbo yeIskra yakatamiswa kubva kuMunich kuenda kuLondon uye ipapo kuenda kuGeneva, nguva imwe neimwe ichiperekedzwa naLenin. Pakokorodzano yechipiri yebato, yakaitirwa muLondon muna 1903, kupesana kukuru kwakaitika pakati paLenin nevatsigiri vake vaBolsheviks naJulius Martov nevatsigiri vake vaMensheviks; Lenin akasimbisa bato rakasimba rakadzora zvakanyanya nehutungamiriri, nepo Martov akagamuchira bato rakakura rine rusununguko rwakawanda rwekufunga. Lenin akadzokera kuRussia kwenguva pfupi munguva yeRevolution ya1905, asi akatiza zvakare apo zviremera zveCzarist zvakakunda masimba echimurenga uye zvakadzvinyirira kusabvumirana. 