20th Century Milestones

By bmccartyswan
  • Plastic was Invented

    Plastic was Invented

    Leo Baekeland invented plastic in Belgium. Plastic changed the world and has been used for a variety of purposes
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    World War I

    World War I began after the assassination of Austrian archduke Franz Ferdinand. The war ended with Germany's surrender.
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    The Great Depression

    The United States stock market crashed in 1929. World trade was affected due to tariffs, government policies, banking problems, and the value of a dollar.
  • World War II Began

    World War II Began

    Adolf Hitler invaded Poland in September 1939. Great Britain and France declared war on Germany.
  • World War II Ended

    World War II Ended

    After the atomic bomb was dropped on Hiroshima and Nagasaki, Japan surrendered on September 2, 1945. More than 330,000 American soldiers died in the war.
  • John F Kennedy was Assassinated

    John F Kennedy was Assassinated

    On November 22, 1963, President John F. Kennedy was assassinated as he rode in a convertible car in Dallas, Texas. It is unknown why Lee Harvey Oswald killed him.
  • First Star Wars Movie was Released

    First Star Wars Movie was Released

    George Lucas wrote and directed the first Star Wars movie, which was released in America in 1977.