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Harold Calkins 1900 - 1982

Harold Calkins of Des Moines, Polk County, Iowa was born on August 20, 1900, and died at age 81 years old in April 1982.
Harold Calkins
Des Moines, Polk County, Iowa 50312
August 20, 1900
April 1982
Male
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Harold Calkins' History: 1900 - 1982

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  • 08/20
    1900

    Birthday

    August 20, 1900
    Birthdate
    Unknown
    Birthplace
  • 04/dd
    1982

    Death

    April 1982
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Harold Calkins lived 7 years longer than the average family member when died at the age of 81.
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Did you know?
In 1900, in the year that Harold Calkins 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 1916, Harold was 16 years old when the Battle of Verdun was fought from February through December. It was the largest and longest battle of World War I, lasting 303 days. The original estimates were 714,231 casualties - 377,231 French and 337,000 German, an average of 70,000 casualties a month. Current estimates are even larger. The Battle of the Somme was also fought from July through September of the same year. Original estimates were 485,000 British and French casualties and 630,000 German casualties.
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Harold Calkins' Family Tree & Friends

Harold Calkins' Family Tree

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Harold's Friends

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