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Mary J York 1900 - 1993

Mary J York of Flint, Genesee County, MI was born on October 29, 1900, and died at age 92 years old in July 1993.
Mary J York
Flint, Genesee County, MI 48532
October 29, 1900
July 1993
Female
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Mary J York's History: 1900 - 1993

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  • 10/29
    1900

    Birthday

    October 29, 1900
    Birthdate
    Unknown
    Birthplace
  • 07/dd
    1993

    Death

    July 1993
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary J York lived 20 years longer than the average family member when died at the age of 92.
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Did you know?
In 1900, in the year that Mary J York 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 1927, Mary was 27 years old when in September, the Columbia Broadcasting System (later called CBS) became the second national radio network in the U.S. The first broadcast was a presentation by the Howard Barlow Orchestra from radio station WOR in Newark, New Jersey.
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Mary York's Family Tree & Friends

Mary York's Family Tree

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