1942-1953

  • First Atomic Bomb

    Was created by Robert Oppenheimer
  • Landing on Guadalcanal

    The United States Marines land on Guadalcanal in the Solomon Islands in the first American offensive of WWII
  • Jefferson Memorial

    In Washington D.C., it is dedicated on the 200th anniversary of Thomas Jefferson's birth.
  • Tehran COnference

    The Tehran Conference is held for 3 days, concluding in an agreement between US President Franklin D. Roosevelt, British Prime Minister Winston Churchill, and Soviet leader Josef Stalin.
  • D-Day/ The Invasion of Normandy

    Allied Soldiers stormed the beached of France to begin WWII invasion of Europe that would lead to the gain of Paris.
  • Port Chicago Incident

    2 ships loading ammunition at Port Chicago Naval Weapons Station in California exploded. Killed 320 people.
  • Battle of Okinawa

    American troops invaded Okinawa, which ended June 21st.
  • Death of President Roosevelt

    dying suddenly, Vice President Harry S. Truman become president during WWII
  • Germany Surrenders

    Surrenders at Reims, France ending the fighting of WWII in France
  • Philippines is Independent

    Given independence by United States.
  • Hiroshima and Nagasaki

    Harry S. Truman allows the use of an atomic bomb. First attacking Hiroshima, then 3 days later bombing Nagasaki. Japan surrenders August 15th.
  • Truman Doctrine

    When passed it would grant 400 million in aid to Greece and Turkey to battle communist terrorism.
  • Marshall Plan

    George C. Marshall proposes aid extension to European nations for war recovery, leading to 12 billion dollars over the next 4 years.
  • USSR Blockades

    Soviet Union begins blockade on Berlin, Germany
  • NATO

    North Atlantic Treaty Organization is formed by the U.S., Canada, and 10 Western European nations.
  • Korean War

    A 3 year conflict when troops of North Korea ,backed with Soviet weaponry, invade South Korea.
  • Transcontinental TV

    inauguration of trans-continental television occurs with the broadcast of president Truman's speech at the Japanese Peace Treaty Conference in San Francisco.
  • Double Helix DNA

    published by British Physicist Francis Crick and American Scientist James D. Watson.