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Mary Hertwig 1896 - 1977

Mary Hertwig of Bayville, Nassau County, NY was born on March 3, 1896, and died at age 80 years old in January 1977.
Mary Hertwig
Bayville, Nassau County, NY 11709
March 3, 1896
January 1977
Female
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Mary Hertwig's History: 1896 - 1977

Uncover new discoveries and connections today by sharing about people & moments from yesterday.
  • 03/3
    1896

    Birthday

    March 3, 1896
    Birthdate
    Unknown
    Birthplace
  • 01/dd
    1977

    Death

    January 1977
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary Hertwig lived 3 years longer than the average family member when died at the age of 80.
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Did you know?
In 1896, in the year that Mary Hertwig was born, 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.
Did you know?
In 1916, she was 20 years old when in June, the U.S. Congress authorized a plan to expand the armed forces over the next five years. Called the National Defense Act of 1916, the national law expanded the National Guard and Army (the Army added an aviation unit), created the Reserves, and gave the President expanded authority to federalize the National Guard. It also allowed the government to stockpile, in advance, materiel to be used in wartime.
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Mary Hertwig's Family Tree & Friends

Mary Hertwig's Family Tree

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Parent
Partner
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Friendships

Mary's Friends

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 Followers & Sources
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