cold war By batmansuper Feb 4, 1945 yalta confrence Period: May 7, 1945 to May 7, 1950 cold war May 8, 1945 VE Day Victory in Europe. Germany surrenders to the Red Army in Berlin May 22, 1945 hitler defeated Jul 7, 1945 potsdam confrence Mar 5, 1946 "Sinews of Peace" Iron Curtain Speech by Winston Churchill Jul 1, 1946 Operation Crossroads with Test Able was the firs public demonstration of America's atomic arsenal May 15, 1947 The Truman Doctrine is announced Sep 2, 1947 Rio Pact Mar 2, 1948 Truman's Loyalty Program created to catch Cold War spies May 15, 1948 Marshall Aid introduced Jun 24, 1948 USSR blockades Berlin May 12, 1949 Berlin blockade lifted Aug 29, 1949 Russia tested its first atomic bomb Feb 7, 1950 Joe McCarthy begins Communist witch hunt and loyalty tests