First of a series of articles around the 100th anniversary around the death of Vladimir Ulyanov (Lenin), on 21 January 1924 The October Revolution of 1917 seemed to many observers to be an attempt to stand Marxism on its head. Those who said that included George Valentinovich Plekhanov and Pavel Borisovich Axelrod, the founders of the Russian Marxist movement, and Karl Kautsky, the most authoritative Marxist of the Second International (1889-1914).