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Mary Welch 1900 - 1977

Mary Welch of Lancaster, Fairfield County, Ohio was born on February 18, 1900, and died at age 77 years old in March 1977.
Mary Welch
Lancaster, Fairfield County, Ohio 43130
February 18, 1900
March 1977
Female
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Mary Welch's History: 1900 - 1977

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  • 02/18
    1900

    Birthday

    February 18, 1900
    Birthdate
    Unknown
    Birthplace
  • 03/dd
    1977

    Death

    March 1977
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary Welch lived 5 years longer than the average family member when died at the age of 77.
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Did you know?
In 1900, in the year that Mary Welch 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 1920, Mary was 20 years old when on January 1, over 6000 people were arrested and put in prison because they were suspected of being communists. . Many had to be released in a few weeks and only 3 guns were found in their homes. The U.S. Department of Justice "red hunt" netted thousands of "radicals" and suspected "communists" and aliens were deported. But the "hunt" ended after Attorney General Palmer forecast a massive radical uprising on May Day and the day passed without incident.
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Mary Welch's Family Tree & Friends

Mary Welch's Family Tree

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Mary's Friends

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Other Biographies

Other Mary Welch Biographies

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