Origins of the Cold War Timeline

  • Yalta Conference

    First sign of a breakdown in cooperation between superpowers.
  • Roosevelt Dies

    HHarry Truman takes over
  • Surrender of Germany

  • Potsdam Conference

    Truman uses Atomic Diplomacy
  • Japanese Surrender

  • Kennan's Long Telegramme

    Interpretations of Soviet intentions, objectives and leadership
  • Churchill's Iron Curtain Speech

  • Soviet forces evacuate Iran

    Example of Soviet Aggression
  • Clifford-Elsey Report is presented to Truman

  • Novikov Telegram written

  • Bizonia formed

  • Truman Doctrine announced

  • Marshall Plan planned

  • Czechoslovakia Coup

    Example of Soviet Aggression
    Catalysed Congress passing of Marshall Plan
  • Marshall Plan approved

    Catalysed by Czech Coup
  • Creation of Duetsche Mark

  • Berlin Blockade

    West respond with Airlift
  • NATO Founded

    founded by Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom, and the United States, in order to resist Communist expansion Preceeded by Brussells Pact
  • Soviet successfully test Atomic Bomb

    Soviet Union becomes second nuclear superpower Cold War begins