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Period: to
1945
1945 defeat of germany and japan February 4-11: Yalta Conference meeting of FDR, Churchill, Stalin - the 'Big Three'
Soviet Union has control of Eastern Europe. The Cold War Begins -
1946
1946 February 9: Stalin hostile speech - communism & capitalism were incompatible -
1946
March 5 : "Sinews of Peace" Iron Curtain Speech by Winston Churchill - "an "iron curtain" has descended on Europe" -
1946
July 1: Operation Crossroads with Test Able was the first public demonstration of America's atomic arsenal -
1947
March 12 : Truman Doctrine - Truman declares active role in Greek Civil War -
1947
June 1 Marshall Plan is announced setting a precedent for helping countries combat poverty, disease and malnutrition -
1948
February 25 : Communist takeover in Czechoslovakia -
1948
March 2: Truman's Loyalty Program created to catch Cold War spies -
1950
January 30 - Truman approved H-bomb development -
1950
february 1-Joe McCarthy begins Communist witch hunt and loyalty tests -
1951
January 12 : Federal Civil Defense Administration established -
1951
April 11 - Truman fires MacArthur -
1952
janurary 1-A-bombs developed by Britain -
1953
March 17-June 4 Nuclear Arms Race atomic test series of 11 explosions at Nevada Test Site -
1953
April 15: RAND report on the "Vulnerability of U. S. Strategic Air Power" -
1954
March 1: H-bomb Castle-Bravo test -
1955
May 1: Warsaw Pact formed -
1956
June 29: USSR sent tanks into Poznan, Poland, to suppress demonstrations by workers -
1956
September 4: USSR sent military aid to Afghanistan -
1957
August 26: Vostok rocket launched 1st ICBM