Soviet Union By ethanbaron 1917 Russian Revolution 1922 Russian Civil War 1933 Russian Empire 1938 WWII 1945 Start of Cold War 1946 Iron Curtain was Formed 1946 Red Scare Nov 1, 1955 Vietnam War Oct 4, 1957 Space Race Oct 16, 1962 Cuban Missile Crisis Dec 25, 1991 Fall of Soviet Union