Photo of Hammer & Sickle Flag over the Reichstag building in Battle of Berlin↗ during the end of World War 2.
The back view of a man in Napolean hat in the center of the image, must be Napoleon, representing Russia's victory of the Napoleon's invasion of Russia↗ in 1812.
Men on horses: they migth represent the Mongols of Mongol Empire↗, who in 1200s ruled Eurasia, including Russia, China, and much Eastern Europe and Middle East.