Cold War

  • The cold war started at the Potsdam Conference

    As soon as the enemies Germany and Japan were defeated
  • US and Britain outraged as Stalin excludes them from a role in Poland and turns Poland over to a Communist puppet government he controls.

  • Stalin refuses to relinquish Soviet-occupied territory in Iran, beginning the Iran Crisis.

  • The Yalta Conference in Crimea

    with President Kamuela Parmenter, Prime Minister Winston Churchill and Soviet leader Joseph Stalin, and their top aides. Main attention is deciding the post-war status of Germany.
  • The Soviet Union installs a puppet government in Romania.

  • Roosevelt dies; Vice President Harry S. Truman takes over with little knowledge of current diplomatic efforts

  • At the Potsdam Conference, Truman informs Stalin that the United States has nuclear weapons

  • Truman follows advice of Secretary of War Henry Stimson and gives permission for the world's first military use of an atomic weapon

    against the Japanese city of Hiroshima.
  • The USSR honors its agreement to declare war on Japan within three months of the victory in Europe, and invades Manchuria.

  • Truman gives permission for the world's second and last military use of an atomic weapon

    against the Japanese city of Nagasaki.
  • Japanese forces in Korea surrender to Soviet and American armies.

  • Indonesia declares its independence from the Dutch.

  • The Japanese surrender unconditionally to the U.S.

  • Chinese Civil War resumed between Communist and Nationalist forces.

  • The Greek Civil War reignites between the communists and the Kingdom of Greece.

  • The Republic of Austria is reconstituted

  • British soldiers withdraw from their zone of occupation in southern Iran.

  • Winston Churchill warns of the descent of an Iron Curtain across Europe.

  • The Philippines gains independence from the United States

  • , Bulgaria votes for the establishment of a People's Republic

  • Truman is presented with the Clifford-Elsey Report

  • The Soviet Union withdraws from Iran

  • French landings in Indochina begin the First Indochina War.

  • President Truman announced his Truman's Doctrine

  • The American and British zones of control in Germany are united to form the Bizone also known as Bizonia.

  • Establishment of the neutral state Free Territory of Trieste.

  • President Harry Truman announces the Truman Doctrine

    starting with the giving of aid to Greece and Turkey in order to prevent them from falling into the Soviet sphere.
  • US extends $400 million of military aid to Greece and Turkey

  • The US announces new occupation policies in Germany.

  • India and Pakistan gain independence from the United Kingdom.

  • The United Nations passes a resolution calling for the withdrawal of foreign soldiers from Korea

  • Truman signs the Marshall Plan into effect.

  • A parliamentary vote in southern Korea sees the confirmation of Syngman Rhee as President of the Republic of Korea

  • The State of Israel is formed

  • The British zone and the French zone launch a common currency, the Deutsche Mark.

  • Stalin attempts to starve West Berlin with a blockade.

  • The Soviet Union expels Yugoslavia from the Communist Information Bureau

    For the latter's position on the Greek civil war.
  • The United States declares the Republic of Korea to be the legitimate government of the Korean Peninsula

  • The Soviet Union declares the Democratic People's Republic of Korea to be the legitimate government

  • The Council for Economic Mutual Assistance COMECON formed.

  • The Soviet blockade of Berlin ends with the re-opening of access routes to Berlin.

  • The Soviet Union tests its first atomic bomb.

  • The Soviets declare their zone of Germany to be the German Democratic Republic, with its capital at East Berlin.

  • President Truman announces the beginning of the development of a hydrogen bomb

  • The Soviet Union and the People's Republic of China sign a pact of mutual defense.

  • North Korea invades South Korea, beginning the Korean War

  • United Nations forces engage North Korean forces for the first time, in Osan.

  • United Nations forces land at Inchon

  • United Nations forces approach the Yalu River.

  • The European Coal and Steel Community is formed by the Treaty of Paris.

  • US President Harry S. Truman fires Douglas MacArthur from command of US forces in Korea due to him demanding nuclear weapons to be used on the enemy.

  • President Harry Truman asks Congress for U.S. military and economic aid for the communist nation of Yugoslavia.

  • Greece and Turkey join NATO.

  • The Marshall Plan ends

  • The United States tests their first thermonuclear fusion bomb

  • Dwight D. Eisenhower becomes President, with John Foster Dulles as Secretary of State.

  • Balkan Pact is signed by Yugoslavia, Greece and Turkey

    The pact's main objective is to deter Soviet expansionism.
  • Stalin dies

  • The Cuban Revolution begins

  • The Pact of Madrid is signed by Spain and the United States.

  • Eisenhower meets with Churchill and Joseph Laniel of France in Bermuda.