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Mary Roberts 1898 - 1973

Mary Roberts of Delhi, Merced County, California was born on October 13, 1898, and died at age 74 years old in September 1973.
Mary Roberts
Delhi, Merced County, California 95315
October 13, 1898
September 1973
Female
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Mary Roberts' History: 1898 - 1973

Uncover new discoveries and connections today by sharing about people & moments from yesterday.
  • 10/13
    1898

    Birthday

    October 13, 1898
    Birthdate
    Unknown
    Birthplace
  • 09/dd
    1973

    Death

    September 1973
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary Roberts lived 2 years longer than the average family member when died at the age of 74.
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Did you know?
In 1898, in the year that Mary Roberts was born, on March 24th, Robert Allison of Pennsylvania became the first person to buy an American-built car. He bought a Winton, which he had seen in an advertisement in Scientific American. The Winton, built in Ohio, was made by hand and came with a leather roof, padded seats, gas lamps, and tires made by B.F. Goodrich.
Did you know?
In 1900, when she was merely 2 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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Mary Roberts' Family Tree & Friends

Mary Roberts' Family Tree

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Mary's Friends

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