5233986 The July Days in Petrograd, Russian Revolution, 1917 (b/w photo) by Bulla, Victor (1883-1938) (after); Private Collection; (add.info.: The July Days in Petrograd, Russian Revolution, 1917. The Russian army opens fire at a peaceful protest against the Provisional Government, led by the Bolsheviks. After this event the Bolsheviks began preparing for an armed revolution.); Look and Learn / Elgar Collection; Russian, out of copyright.