Leon Trotsky was murdered by a Stalinist agent 80 years ago. He was attacked with an ice-pick on 20 August 1940, and died in hospital the day after, 21 August 1940. Trotsky was one of the chief leaders of the Russian workers' revolution of October 1917, and the foremost leader of the revolutionary socialist resistance to the Stalinist reaction and counter-revolution which followed that revolution and eventually killed it. His legacy is still central to the fight for working-class socialism, and against Stalinism of all shades.