Cold War Timeline 1947-1966

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    Cold War 1947-1966

  • Truman doctrine announced

    Truman doctrine announced
    Truman says U.S will support countries fighting communism. This started with Greece and turkey. This started the American containment policy
  • Marshall plan proposed

    Marshall plan proposed
    George marshall announced a academic aid plan to rebuild Europe. The goal of this was to stop the spread of communism and restore stability
  • Cominform established

    Cominform established
    USSR forms Cominform to coordinate communist parties all over the globe. It makes Soviet control stronger over Eastern Europe
  • Czechoslovak coup

    Czechoslovak coup
    The Communist Party takes control of the Czechoslovak government. It marks a turning point in Soviet domination of Eastern Europe.
  • Marshall plan enacted

    Marshall plan enacted
    The U.S. begins distributing aid to 16 European countries. This speeds up recovery and makes Western alliances stronger
  • Berlin blockade begins

    Berlin blockade begins
    The USSR blocks Western access to West Berlin to try to force Allied withdrawal. The U.S. and allies respond with a massive airlift.
  • Communist victory in China

    Communist victory in China
    Mao Zedong proclaims the People's Republic of China. The U.S. sees this as a major setback in the Cold War.
  • NATO formed

    NATO formed
    The U.S. and 11 other countries form a defense alliance. It institutionalizes the Western military response to Soviet threats.
  • Soviet Union tests atomic bomb

    Soviet Union tests atomic bomb
    The USSR detonates its first nuclear weapon. The U.S. loses its monopoly on nuclear arms.
  • Start of Korean war

    Start of Korean war
    North Korea invades South Korea with Soviet and Chinese helpp. The U.S. leads a UN force to defend the South.
  • Truman sends troops to Korea

    Truman sends troops to Korea
    Without a formal declaration of war, U.S. makes a move one combat. This sets a precedent for future conflicts.
  • China enters Korean War

    China enters Korean War
    China sends troops across the Yalu River. The war intensifies and extends
  • MacArthur dismissed

    MacArthur dismissed
    President Truman fires General MacArthur for publicly opposing his policies. The incident underscores civilian control of the military.
  • Ceasefire talks begin in Korea

    Ceasefire talks begin in Korea
    Negotiations start between North and South Korea. But no agreement is immediately reached.
  • Mutual Security Act passed

    Mutual Security Act passed
    The U.S. boosts military aid to allies around the world. It expands containment beyond Europe.
  • First British atomic bomb test

    First British atomic bomb test
    The U.K. joins the nuclear club. It strengthens NATO's strategic arsenal.
  • U.S. tests hydrogen bomb

    U.S. tests hydrogen bomb
    The U.S. detonates the first strong nuclear weapon. It vastly increases nuclear destructive power.
  • NSA established

    NSA established
    The National Security Agency is created to coordinate U.S. communications intelligence. It becomes a key player in Cold War surveillance.
  • Eisenhower becomes U.S. President

    Eisenhower becomes U.S. President
    Dwight Eisenhower takes office and promotes a strong anti-communist stance. He introduces the “New Look” defense policy.
  • Stalin dies

    Stalin dies
    Joseph Stalin’s death sparks a power struggle in the USSR. It leads to a brief period of political thaw.
  • Korean War armistice signed

    Korean War armistice signed
    The fighting ends, but the peninsula remains divided. A formal peace treaty was never signed.
  • Geneva Conference begins

    Geneva Conference begins
    Vietnam is divided at the 17th parallel. Elections to reunify are planned but never held.
  • Dien Bien Phu falls

    Dien Bien Phu falls
    French forces are defeated by the Viet Minh. France withdraws from Indochina.
  • CIA-backed coup in Guatemala

    CIA-backed coup in Guatemala
    The U.S. helps overthrow President Arbenz. He is accused of communist sympathies.