Timeline of the Cold War
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
May 8:               VE Day - Victory in Europe. Germany surrenders to the Red Army in Berlin
July:                Potsdam Conference - Germany was officially partitioned into four zones of
                     occupation.
August 6:            The United States drops atomic bomb on Hiroshima (20 kiloton bomb 'Little
                     Boy' kills 80,000)
August 8:            Russia declares war on Japan
August 9:            The United States drops atomic bomb on Nagasaki (22 kiloton 'Fat Man' kills
                     70,000)
August 14 :          Japanese surrender End of World War II
August 15:           Emperor surrender broadcast - VJ Day
1946
February 9:          Stalin hostile speech - communism & capitalism were incompatible
March 5 :            "Sinews of Peace" Iron Curtain Speech by Winston Churchill - "an "iron curtain"
                     has descended on Europe"
March 10:            Truman demands Russia leave Iran
July 1:              Operation Crossroads with Test Able was the first public demonstration of
                     America's atomic arsenal
July 25:             America's Test Baker - underwater explosion
1947             Containment
March 12 :           Truman Doctrine - Truman declares active role in Greek Civil War
June :               Marshall Plan is announced setting a precedent for helping countries combat
                     poverty, disease and malnutrition
September 2:         Rio Pact - U.S. meet 19 Latin American countries and created a security zone
                     around the hemisphere
1948               Containment
February 25 :             Communist takeover in Czechoslovakia
March 2:                  Truman's Loyalty Program created to catch Cold War spies
March 17:                 Brussels Pact organized to protect Europe from communism
June 24 :                 Berlin Blockade begins lasting 11 months
1949               Containment
April 4 :                 NATO ratified
May 12 :                  Berlin Blockade ends
29 August :               Russia tested its first atomic bomb
October 1 :               Communist Mao Zedong takes control of China and establishes the People's
                          Republic of China
December 1 -              Chiang Kai-shek moved to Formosa and created Nationalist government
1950
January 30 -              Truman approved H-bomb development
February :                Joe McCarthy begins Communist witch hunt and loyalty tests
June 24:                  Korean War begins. Stalin supports North Korea who invade South Korea
                          equipped with Soviet weapons
1951
January 12:               Federal Civil Defense Administration established
April 11 :                Truman fires MacArthur
1952
            A-bombs developed by Britain
1953
March 17-June 4           Nuclear Arms Race atomic test series of 11 explosions at Nevada Test Site
April 15:                 RAND report on the "Vulnerability of U. S. Strategic Air Power"
July :                    Korean War ends
December 8:               Ike's Atoms for Peace speech
1954
March 1:              H-bomb Castle-Bravo test
March :               KGB established
                      CIA helps overthrow unfriendly regimes in Iran and Guatemala
July :                Vietnam split at 17th parallel
1955
May :                 Warsaw Pact formed
1956
June 29:              USSR sent tanks into Poznan, Poland, to suppress demonstrations by workers
September 4:          USSR sent military aid to Afghanistan
October - November : Rebellion put down in Communist Hungary.
October 29:           Suez Crisis began with Israeli attack led by Moshe Dayan against Egyptian forces
                      in the Sinai
                      Egypt took control of Suez Canal
1957
August 26:            Vostok rocket launched 1st ICBM
October 4 :           Sputnik launched into orbit
November 3:           Sputnik II launched - Laika died in space
1958
January 31:           Explorer I launched
July :                NASA began Mercury project using Atlas rocket
November :            Khrushchev demands withdrawal of troops from Berlin
1959
January :             Cuba taken over by Fidel Castro
September :           Khrushchev visits United States; The Kitchen Debate
1960
               A-bombs developed by France
May :                 Soviet Union reveals that U.S. spy plane was shot down over Soviet territory
November :            John F. Kennedy elected President of USA
December 19:          Cuba openly aligns itself with the Soviet Union and their policies.
1961
April :               Bay of Pigs invasion see Cuban Missile Crisis Timeline
August 13 :           Berlin border is closed
August 17 :           Construction of Berlin Wall begins
1962
               U.S. involvement in Vietnam increases
October :             Cuban Missile Crisis
1963
July :                Nuclear Test Ban Treaty ratified
November 22:          President Kennedy assassinated in Dallas, Texas
1964
August :              Gulf of Tonkin incident
October:              A-bombs developed by China
1965
April :               U.S. Marines sent to Dominican Republic to fight Communism
July :                Announcement of dispatching of 200,000 U.S. troops to Vietnam
1966
               B-52s Bomb North Vietnam
1967
               The US Secretary of Defence Robert McNamara admits that the US bombing raids had failed to meet
               their objectives
1968
January :             North Korea captured U.S.S. Pueblo
               President Johnson does not run for the presidency and Richard Nixon Elected President of the USA
August :              Soviet Red Army crush Czechoslovakian revolt
1969
July 20 :            Apollo 11 lands on the moon
1970
April :              President Nixon extends Vietnam War to Cambodia
1971
              Publication of the Pentagon Papers
1972
February:            President Richard Nixon visits China
July :               SALT I signed
1973
January :            Cease fire in Vietnam between North Vietnam and United States
September :          U.S. supported coup overthrows Chilean government
October :            Egypt and Syria attack Israel; Egypt requests Soviet aid
1974
August :             President Nixon resigns
1975
April 17:            North Vietnam defeats South Vietnam which falls to Communist forces
1976
February:            Soviet and Cuban forces help to install Communist government in Angola.
1979
January:             U.S. and China establish diplomatic relations.
July :               SALT II signed
November :           Shah of Iran overthrown; Iranian Hostage Crisis
December:            Soviet forces invade Afghanistan
1980
August:              Polish shipyard workers strike Solidarity Union formed. Strike leader Lech
                     Walesa is elected as the head of Solidarity
1983
              President Reagan proposes Strategic Defense Initiative
October :            U.S. troops invades and overthrows regime in Grenada
1985
               Mikhail Gorbachev becomes leader of the Soviet Union initiating a campaign of openness called
               "glasnost" and restructuring called "perestroika"
1986
October :      President Reagan and Gorbachev resolve to remove all intermediate nuclear missiles
               from Europe
1987
October :             Reagan and Gorbachev agree to remove all medium and short-range nuclear missiles
1989
January :             Soviet troops withdraw from Afghanistan
June :                Poland becomes independent
September :           Hungary becomes independent
November :            Berlin Wall is demolished and East Germany allows unrestricted migration to
                      West Germany
December :            Communist governments fall in Czechoslovakia, Bulgaria, and Rumania
                                   Decline of the Soviet empire
1990
March :               Lithuania becomes independent
May 29 :              Boris Yeltsin elected as President of Russia
October 3:            Germany reunited
1991
August :              End of Soviet Union and the Cold War Ends
Source from: http://www.datesandevents.org/events-timelines/03-cold-war-timeline.htm