General objective of this lecture is to present on Cold War 1945-1991. The Cold War was a time after WW2 when the USA and the Soviet Union were rivals for world influence. There is two sides of Cold War. one side; NATO – North Atlantic Treaty Organization; USA, France, Great Britain, West Germany. Another part: Warsaw Part – pro Soviet countries – USSR, and all countries controlled by the USSR. Here also briefly describe on Marshall Plan, Berlin blockade led to Berlin Airlift, Nuclear Missiles etc.