Cold War

  • Yalta Conference

  • United States first used atomic bomb in war

  • Russia enters war against Japan

  • Japanese surrenders, ending WWII

  • Winston Churchill delivers "Iron Curtain" speech

  • Truman announces Truman Doctrine

  • Marshall Plan is announced

  • Communist take over in Czechoslovakia

  • Berlin blockade begins

  • NATO treaty ratified

  • Berlin Blockade ends