102 years ago, British workers struck in solidarity with the Russian Revolution. Conditions were ripe for revolution, though the opportunity was missed. Rob Sewell explains the revolutionary potential displayed by the working class in Britain, the errors of their leadership, and the lessons of these experiences for the class struggle today, at a time when war, crisis and chaos are similarly rampant. This article first appeared in issue 30 of In Defence of Marxism, the theoretical magazine of the International Marxist Tendency. Click here to subscribe and get the latest issue.