Striking Putilov workers on the first day of the February Revolution, St Petersburg, Russia, 1917. Artist: Anon [Getty Images]

Striking Putilov workers on the first day of the February Revolution, St Petersburg, Russia, 1917. The Putilov Plant was a large machine-building factory in St Petersburg. In 1917 it was the largest employer in the city and strikes by its workforce played (Photo by Fine Art Images/Heritage Images/Getty Images)

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