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Leland Mackey 1896 - 1971

Leland Mackey of Oklahoma City, Oklahoma County, Oklahoma was born on October 10, 1896, and died at age 75 years old in November 1971.
Leland Mackey
Oklahoma City, Oklahoma County, Oklahoma 73119
October 10, 1896
November 1971
Male
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Leland Mackey's History: 1896 - 1971

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  • 10/10
    1896

    Birthday

    October 10, 1896
    Birthdate
    Unknown
    Birthplace
  • 11/dd
    1971

    Death

    November 1971
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Leland Mackey lived 3 years longer than the average family member when died at the age of 75.
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Did you know?
In 1896, in the year that Leland Mackey 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, by the time he was 20 years old, 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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Leland Mackey's Family Tree & Friends

Leland Mackey's Family Tree

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Parent
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Friendships

Leland's Friends

Friends of Leland Friends can be as close as family. Add Leland's family friends, and his friends from childhood through adulthood.
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 Followers & Sources
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