Cold War Timeline 1947-1966

  • Truman Doctrine Announced

    Truman Doctrine Announced
    President Truman pledged U.S. support for countries resisting communism, starting with aid to Greece and Turkey, marking the start of the containment policy.
  • Marshall Plan Proposed

    Marshall Plan Proposed
    The U.S. proposes massive economic aid to rebuild Europe and prevent the spread of communism.
  • Cominform Created

    Cominform Created
    The Soviet Union forms Cominform to coordinate communist parties in Europe and counter Western influence.
  • Czechoslovak Coup

    Czechoslovak Coup
    The Communist Party seizes control in Czechoslovakia, expanding Soviet influence in Eastern Europe.
  • Marshall Plan Implemented

    Marshall Plan Implemented
    The U.S. begins distributing aid to European countries to rebuild economies and curb communism.
  • Berlin Blockade Begins

    Berlin Blockade Begins
    The Soviet Union blocks Western Allies' access to West Berlin, leading to the Berlin Airlift.
  • NATO Established

    NATO Established
    The North Atlantic Treaty Organization is formed as a military alliance against Soviet aggression.
  • German Federal Republic Founded

    German Federal Republic Founded
    West Germany is established, solidifying the division of Germany.
  • German Federal Republic Founded

    German Federal Republic Founded
    West Germany is established, solidifying the division of Germany.
  • Soviet Atomic Bomb Test

    Soviet Atomic Bomb Test
    The USSR successfully tests its first atomic bomb, ending the U.S. nuclear monopoly.
  • McCarthyism Rises

    McCarthyism Rises
    Senator McCarthy begins his anti-communist crusade, leading to widespread fear and suspicion.
  • Korean War Begins

    Korean War Begins
    North Korea invades South Korea, prompting U.S. and UN military intervention.
  • China Enters Korean War

    China Enters Korean War
    Chinese forces cross into Korea, escalating the conflict.
  • General MacArthur Dismissed

    General MacArthur Dismissed
    President Truman relieves MacArthur of command during the Korean War over policy disagreements.
  • ANZUS Treaty Signed

    ANZUS Treaty Signed
    Australia, New Zealand, and the U.S. form a security pact in the Pacific.
  • Mutual Security Act Passed

    Mutual Security Act Passed
    The U.S. provides military and economic aid to allies to combat communism.
  • Stalin Notes Proposals

    Stalin Notes Proposals
    Soviet leader Stalin sends notes proposing German reunification, which are rejected by the West.
  • UK Develops Atomic Bomb

    UK Develops Atomic Bomb
    The United Kingdom becomes the third nation to possess nuclear weapons.
  • U.S. Tests Hydrogen Bomb

    U.S. Tests Hydrogen Bomb
    The first successful test of a thermonuclear weapon marks a new phase in the arms race.
  • Eisenhower Becomes President

    Eisenhower Becomes President
    Dwight D. Eisenhower takes office, promoting a strong stance against communism.
  • Stalin Dies

    Stalin Dies
    Joseph Stalin's death leads to a power struggle and eventual policy shifts in the USSR.
  • Korean War Armistice Signed

    Korean War Armistice Signed
    An armistice ends active combat in Korea, establishing the DMZ.
  • Geneva Conference

    Geneva Conference
    Discussions on Korea and Indochina lead to temporary division of Vietnam.
  • CIA Overthrows Iranian Government

    CIA Overthrows Iranian Government
    The U.S. orchestrates a coup to remove Prime Minister Mossadegh and strengthen the Shah's power.
  • U.S. Involvement in Vietnam Begins

    U.S. Involvement in Vietnam Begins
    The U.S. starts providing aid to South Vietnam to counter communism.
  • Warsaw Pact Formed

    Warsaw Pact Formed
    The Soviet Union and Eastern Bloc countries establish a military alliance.
  • Austrian State Treaty Signed

    Austrian State Treaty Signed
    Austria regains independence and declares neutrality after the withdrawal of Allied forces.
  • Geneva Summit

    Geneva Summit
    Leaders from the U.S., USSR, UK, and France meet to discuss Cold War tensions.
  • Khrushchev's Secret Speech

    Khrushchev's Secret Speech
    Nikita Khrushchev denounces Stalin's cult of personality, signaling a shift in Soviet policies.
  • Hungarian Uprising

    Hungarian Uprising
    A revolt against Soviet control is crushed by the Red Army.
  • Suez Crisis

    Suez Crisis
    Egypt nationalizes the Suez Canal, leading to military intervention by the UK, France, and Israel.
  • Eisenhower Doctrine Announced

    Eisenhower Doctrine Announced
    The U.S. pledges to defend Middle Eastern countries against communism.
  • Syrian Crisis

    Syrian Crisis
    Tensions rise as the U.S. and USSR vie for influence in Syria.
  • Sputnik Launched

    Sputnik Launched
    The USSR launches the first artificial satellite, igniting the Space Race.
  • Lebanon Crisis

    Lebanon Crisis
    U.S. Marines land in Lebanon to support the government against internal opposition.
  • NASA Established

    NASA Established
    The U.S. creates the National Aeronautics and Space Administration in response to Sputnik.
  • Second Berlin Crisis Begins

    Second Berlin Crisis Begins
    Khrushchev demands Western withdrawal from Berlin, escalating tensions.
  • Cuban Revolution Triumphs

    Cuban Revolution Triumphs
    Fidel Castro overthrows Batista, leading to a communist government in Cuba.
  • Geneva Talks on Berlin

    Geneva Talks on Berlin
    Negotiations fail to resolve the status of Berlin, maintaining Cold War tensions.
  • Khrushchev Visits U.S.

    Khrushchev Visits U.S.
    The Soviet leader tours the U.S., promoting peaceful coexistence.
  • U-2 Incident

    U-2 Incident
    An American spy plane is shot down over the USSR, derailing a planned summit.
  • Paris Summit Collapses

    Paris Summit Collapses
    The U-2 incident causes the collapse of talks between U.S. and Soviet leaders.
  • Congo Crisis Begins

    Congo Crisis Begins
    Post-independence turmoil in the Congo becomes a Cold War proxy conflict.
  • Alliance for Progress Launched

    Alliance for Progress Launched
    The U.S. initiates a program to promote economic development in Latin America.
  • Bay of Pigs Invasion

    Bay of Pigs Invasion
    A failed U.S.-backed attempt to overthrow Castro in Cuba.
  • Berlin Wall Constructed

    Berlin Wall Constructed
    East Germany builds a wall dividing Berlin to stop emigration to the West.
  • Hotline Established

    Hotline Established
    A direct communication link between Washington and Moscow is set up to prevent future crises.
  • Nuclear Test Ban Talks Begin

    Nuclear Test Ban Talks Begin
    Discussions start on limiting nuclear weapons testing.
  • Cuban Missile Crisis

    Cuban Missile Crisis
    A confrontation over Soviet missiles in Cuba brings the world to the brink of nuclear war.
  • Kennedy's "Ich bin ein Berliner" Speech

    Kennedy's "Ich bin ein Berliner" Speech
    President Kennedy expresses solidarity with West Berliners.
  • Partial Nuclear Test Ban Treaty Signed

    Partial Nuclear Test Ban Treaty Signed
    The U.S., USSR, and UK agree to prohibit nuclear tests in the atmosphere, outer space, and under water.
  • Diem Overthrown in South Vietnam

    Diem Overthrown in South Vietnam
    A coup removes South Vietnam's president, increasing U.S. involvement.
  • Gulf of Tonkin Incident

    Gulf of Tonkin Incident
    Alleged attacks on U.S. ships lead to increased American military presence in Vietnam.
  • Khrushchev Ousted

    Khrushchev Ousted
    Nikita Khrushchev is removed from power, replaced by Leonid Brezhnev.
  • China Tests Atomic Bomb

    China Tests Atomic Bomb
    China becomes the fifth nuclear power with its first successful test.
  • Pleiku Incident

    Pleiku Incident
    Viet Cong forces attack a U.S. military base in Pleiku, South Vietnam, killing 8 Americans and wounding over 100, prompting the U.S. to escalate its military involvement in Vietnam.
  • Operation Rolling Thunder Begins

    Operation Rolling Thunder Begins
    A sustained bombing campaign against North Vietnam is launched.
  • U.S. Troop Escalation in Vietnam

    U.S. Troop Escalation in Vietnam
    American military presence in Vietnam increases dramatically.
  • France Withdraws from NATO Command

    France Withdraws from NATO Command
    President Charles de Gaulle announces France's withdrawal from NATO's integrated military command, asserting national sovereignty and altering alliance dynamics.
  • French-Soviet Joint Declaration

    French-Soviet Joint Declaration
    France and the Soviet Union sign a declaration in Moscow to enhance cooperation in foreign affairs, science, and technology, reflecting France's independent foreign policy stance.
  • Jakarta Accord Signed

    Jakarta Accord Signed
    Indonesia and Malaysia sign the Jakarta Accord, officially ending the Indonesia–Malaysia confrontation and reducing regional Cold War tensions.