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Clarence Roff 1896 - 1977

Clarence Roff of San Diego, San Diego County, CA was born on February 14, 1896, and died at age 81 years old in November 1977.
Clarence Roff
San Diego, San Diego County, CA 92115
February 14, 1896
November 1977
Male
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Clarence Roff's History: 1896 - 1977

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  • 02/14
    1896

    Birthday

    February 14, 1896
    Birthdate
    Unknown
    Birthplace
  • 11/dd
    1977

    Death

    November 1977
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Clarence Roff lived 7 years longer than the average family member when died at the age of 81.
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Did you know?
In 1896, in the year that Clarence Roff 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 1913, he was 17 years old when ratified in February the 16th Amendment, establishing a Federal income tax, became law. Previously, customs duties (tariffs) and excise taxes were the primary sources of federal revenue. With the passage of the 16th Amendment, incomes of couples exceeding $4,000, as well as those of single persons earning $3,000 or more, were subject to a 1% Federal tax (that would be about $98,000 and $74,000 now). Rates rose to 7% for incomes over half a million dollars. Less than 1% of the population was subject to income tax.
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Clarence Roff's Family Tree & Friends

Clarence Roff's Family Tree

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Friendships

Clarence's Friends

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 Followers & Sources
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