The Beginnings of the Cold War: 1945-1949 By dstroughair198 Period: Jan 1, 1945 to Jan 1, 1950 The beginnings of the Cold War: 1945-1949 Feb 15, 1945 Yalta Conference May 15, 1945 Hitler defeated Jul 15, 1945 Potsdam Conference Mar 15, 1947 The Truman Doctrine is announced Oct 15, 1947 Stalin sets up Cominform Mar 15, 1948 Marshall Aid introduced Jun 15, 1948 USSR blockades Berlin Apr 15, 1949 NATO set up May 15, 1949 Berlin blockade lifted