Cold War

  • Yalta Conference

  • United States first used atomic bomb in war

  • Russia enters war against japan

  • Japanese surrenders, ending world war 2

  • Winston Churchill delivers Iron Captin speech

  • Truman announces Truman Doctrine

  • Marshall plan is announced

  • communist take over Czechoslovakia

  • Berlin Blockade begins

  • NATO treaty ratified

  • Berlin Blockade ends