Crowds on Nevsky Prospekt during the February Revolution in Petrograd, which led to the Russian Revolution and the overthrow of the monarchy, March 1917. (Photo by Slava Katamidze Collection/Getty Images)
Crowds on Nevsky Prospekt during the February Revolution in Petrograd, which led to the Russian Revolution and the overthrow of the monarchy, March 1917. (Photo by Slava Katamidze Collection/Getty Images)