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  The Wright Brothers flew the first working powered airplane in 1903.
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  Plastic is invented and used for packaging.
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  Titanic, the so called unsinkable ship and largest manmade structure, sinks.
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  The flu epidemic in 1918 kills 20 million people worldwide.
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  On August 26, 1920: the 19th amendment was ratified giving american women the right to vote.
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  Alexander Fleming discovered penicillin which is now used for medical purposes.
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  The U.S.A. stock market crashes and the Great Depression or a time of lacking of needs desperately.
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  World War II starts in Europe.
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  broadcasting on TV begins in the U.S.A.
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  Japan bombed Pearl Harbor, which actuated the U.S.A.'s involvment in WWII.
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  marks biginning of WWII for Europe
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  Nazi Holocaust starts and the concentration camps become known to the public.
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  The atomic bomb is tested in New Mexico for the first time.
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  On August 6, 1945, the U.S. dropped the first atomic bomb on the japanese city of Hiroshima, killing thousands of people.
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  Jackie Robinson becomes the first colored major league baseball player.
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  Israel became a land for jews and later gained statehood.
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  DNA structure is discovered.
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  The space race begins and the first space satellite is launched.
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  The FDA approves the birth control pill to help prevent pregnancy.
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  The Soviets and Americans fought because of Soviet missles on Cuba.
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  John F. Kennedy was assassinated in Dallas, Texas.
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  Martin Luther King is assassinated in Memphis, Tennesee. A single shot struck his face and neck.
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  President Robert F. Kennedy is assassinated in California.
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  Neil Armstrong became the first human to walk on the moon on July 20, 1969.
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  In the conflict of Roe vs. Wade, abortion is legalized.
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  AIDS, a fatal disease, which is transmitible through blood and other sources, is discovered.
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  The Berlin Wall, used as a blockade between east and west, is torn down.
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  World wide web revolutionizes the internet. Accessing information becomes easier.
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  President William Jefferson Clinton lies about having sexual relations with a white house employee, which later led to his impeachment in 1998.
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  An earthquake hits San Francisco.