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Mary J Bertges 1899 - 1990

Mary J Bertges was born on May 31, 1899, and died at age 91 years old on August 28, 1990. Family, friend, or fan, this family history biography is for you to remember Mary J Bertges.
Mary J Bertges
May 31, 1899
August 28, 1990
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Mary J Bertges' History: 1899 - 1990

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  • 05/31
    1899

    Birthday

    May 31, 1899
    Birthdate
    Unknown
    Birthplace
  • 08/28
    1990

    Death

    August 28, 1990
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary J Bertges lived 18 years longer than the average family member when died at the age of 91.
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Did you know?
In 1899, in the year that Mary J Bertges was born, the meaning of Chinese "oracle bones" was rediscovered. Farmers in China had been turning up the bones in their fields for generations but most often they were ground up and sold as medicine. The chancellor of the Imperial Academy and a friend noticed, before they ground the bones, that they had writing. The bones had been used around the second millennium BC for divination.
Did you know?
In 1900, when she was just 1 year 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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Mary Bertges' Family Tree & Friends

Mary Bertges' Family Tree

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