Mongolia North Caucasus Siberia Persia
St Petersburg Moscow Sevastapol Kiev
1907 1917 1937 1927
3rd 4th 3rd 1st
Blue White Yellow Red
Ural Mountains Pamir Mountains Fann Mountains Caucasus Mountains
State Historical Museum The Kremlin St Basil's Cathedral Monument of Peter the Great
Mongolia Siberia North Caucasus Persia
150 million 15 million 1.5 million 50 million