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Mary A Horejsi 1900 - 1987

Mary A Horejsi of Burnsville, Dakota County, MN was born on December 20, 1900, and died at age 86 years old on October 14, 1987.
Mary A Horejsi
Burnsville, Dakota County, MN 55337
December 20, 1900
October 14, 1987
Female
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Mary A Horejsi's History: 1900 - 1987

Uncover new discoveries and connections today by sharing about people & moments from yesterday.
  • 12/20
    1900

    Birthday

    December 20, 1900
    Birthdate
    Unknown
    Birthplace
  • 10/14
    1987

    Death

    October 14, 1987
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary A Horejsi lived 12 years longer than the average family member when died at the age of 86.
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Did you know?
In 1900, in the year that Mary A Horejsi 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 1910, when she was just 10 years old, the Boy Scouts of America was incorporated. U.S. publisher W.D. Boyce was visiting England when he became lost in the London fog. An unknown Boy Scout helped him find his way out, declining a tip (he said that he was a Boy Scout and was doing his good deed for the day). Boyce was so impressed that he incorporated the Boy Scouts of America when he returned home. Its purpose was "to teach boys patriotism, courage, self-reliance, and kindred values."
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Mary Horejsi's Family Tree & Friends

Mary Horejsi's Family Tree

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