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Mary Cetnar 1882 - 1971

Mary Cetnar of Detroit, Wayne County, Michigan was born on July 12, 1882, and died at age 89 years old in October 1971.
Mary Cetnar
Detroit, Wayne County, Michigan 48211
July 12, 1882
October 1971
Female
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Mary Cetnar's History: 1882 - 1971

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  • 07/12
    1882

    Birthday

    July 12, 1882
    Birthdate
    Unknown
    Birthplace
  • 10/dd
    1971

    Death

    October 1971
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary Cetnar lived 18 years longer than the average family member when died at the age of 89.
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Did you know?
In 1882, in the year that Mary Cetnar was born, on September 4th, the switch to the first commercial electrical power plant in the U.S. - at 255-257 Pearl Street - was flipped by Thomas Edison. It lit one square mile of lower Manhattan and was powered by coal. The "electrical age" had begun.
Did you know?
In 1896, by the time she was only 14 years old, in April, the first study on global warming due to CO2 - carbon dioxide - in the atmosphere was published by Swedish scientist Svante Arrhenius. Arrhenius concluded that human activity due to the Industrial Revolution would amplify CO2 in the atmosphere, causing a greenhouse effect. His conclusions have been extensively tested in the ensuing 100+ years and are still seen to hold true.
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Mary Cetnar's Family Tree & Friends

Mary Cetnar's Family Tree

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Mary's Friends

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