Cold war By 37811 Period: 1945 to 1945 Yalta conference 1946 Creation of the iron curtain 1948 Marshall plan 1948 Berlin airlift 1949 Forming of NATO 1955 Forming of Warsaw pact 1955 Vietnam war 1957 Sputnik 1960 U-2 incident 1961 Bay of pigs 1961 Creation of the Berlin wall 1962 Oct