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Mary Devaughn 1905 - 1981

Mary Devaughn of Silver Spring, Montgomery County, Maryland was born on March 29, 1905, and died at age 76 years old in September 1981.
Mary Devaughn
Silver Spring, Montgomery County, Maryland 20906
March 29, 1905
September 1981
Female
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Mary Devaughn's History: 1905 - 1981

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  • 03/29
    1905

    Birthday

    March 29, 1905
    Birthdate
    Unknown
    Birthplace
  • 09/dd
    1981

    Death

    September 1981
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary Devaughn lived 5 years longer than the average family member when died at the age of 76.
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Did you know?
In 1905, in the year that Mary Devaughn was born, the German born physicist, Albert Einstein, proposed the Special Theory of Relativity: 1) that observers can never detect uniform motion except relative to other objects and that 2) unlike the velocity of massive objects, the speed of light is a constant and is the same for all observers independent of their constant velocity toward or away from the light source. Not such simple concepts that lead to the equation everyone now knows: E = mc2.
Did you know?
In 1913, she was just 8 years old when Henry Ford installed the first moving assembly line for the mass production of an entire automobile. It had previously taken 12 hours to assemble a whole vehicle - now it took only two hours and 30 minutes! Inspired by the production lines at flour mills, breweries, canneries and industrial bakeries, along with the disassembly of animal carcasses in Chicago’s meat-packing plants, Ford created moving belts for parts and the assembly line was born.
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Mary Devaughn's Family Tree & Friends

Mary Devaughn's Family Tree

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