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Mary Calnan 1897 - 1986

Mary Calnan of Mount Clemens, Macomb County, Michigan was born on June 16, 1897, and died at age 88 years old in May 1986.

Mary Calnan

Mount Clemens, Macomb County, Michigan 48043

June 16, 1897

May 1986

Female

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Mary Calnan Mary Calnan (1897 - 1986)

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Mary Calnan's History: 1897 - 1986

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06/16

1897

Birthday

June 16, 1897

Birthdate

Unknown

Birthplace

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05/dd

1986

Death

May 1986

Death date

Unknown
Cause of death

Unknown
Death location

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Mary Calnan lived 15 years longer than the average family member when died at the age of 88.

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Mary Calnan lived 15 years longer than the average family member when died at the age of 88.

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Did you know?

In 1897, in the year that Mary Calnan was born, in the January 22nd issue of "Engineering", the word "computer" was first used to refer to a mechanical calculation device. Previously - since the 17th century - the term computer meant "one who computes" and referred to human beings who worked with numbers.

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In 1920, at the age of 23 years old, Mary was alive when on November 2, radio station KDKA began broadcasting in Pittsburgh, PA. This was the first commercial radio broadcast in the United States. Westinghouse, a leading manufacturer of radios and the backer of the station, chose the date because of the Presidential election. People liked it because they could hear about the results of the election between Harding and Cox before the morning papers arrived. Four years later, there were 600 commercial stations broadcasting in the U.S.

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Mary Calnan's Family Tree & Friends

Mary Calnan's Family Tree

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Mary Calnan Jun 16, 1897 - May 1986

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