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Helen Calvert 1893 - 1991

Helen Calvert of Hermitage, Mercer County, PA was born on August 27, 1893, and died at age 97 years old on January 21, 1991.
Helen Calvert
Hermitage, Mercer County, PA 16148
August 27, 1893
January 21, 1991
Female
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Helen Calvert's History: 1893 - 1991

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  • 08/27
    1893

    Birthday

    August 27, 1893
    Birthdate
    Unknown
    Birthplace
  • 01/21
    1991

    Death

    January 21, 1991
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Helen Calvert lived 24 years longer than the average family member when died at the age of 97.
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Did you know?
In 1893, in the year that Helen Calvert was born, on May 5th, a crash on the New York Stock Exchange started a depression that lasted 4 years. It was the beginning of the Panic of 1893.
Did you know?
In 1900, when she was only 7 years old, 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.
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Helen Calvert's Family Tree & Friends

Helen Calvert's Family Tree

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