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Mary Hughes 1900 - 1971

Mary Hughes of San Jose, Santa Clara County, California was born on April 20, 1900, and died at age 71 years old in July 1971.
Mary Hughes
San Jose, Santa Clara County, California 95123
April 20, 1900
July 1971
Female
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Mary Hughes' History: 1900 - 1971

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  • 04/20
    1900

    Birthday

    April 20, 1900
    Birthdate
    Unknown
    Birthplace
  • 07/dd
    1971

    Death

    July 1971
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary Hughes lived 1 years shorter than the average family member when died at the age of 71.
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Did you know?
In 1900, in the year that Mary Hughes was born, the German physicist Max Planck formulated an energy theory, postulating the existence of "quanta," which lays the groundwork for the quantum theory of modern physics. In December, he introduced a paper on the Planck postulate which stated that E=hv - the energy of a photon is proportional to its frequency times a constant. Planck won a Nobel Prize in 1918 for his work in theoretical Physics.
Did you know?
In 1922, when she was 22 years old, the Reparations Commission assessed German liability for World War 1 at 132 billion gold marks (over $32 billion U.S. dollars at the time). This led to hyperinflation in Germany and created the political and social atmosphere in which Hitler was able to rise to power.
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Mary Hughes' Family Tree & Friends

Mary Hughes' Family Tree

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Other Biographies

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