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Mary Piwarcyn 1890 - 1973

Mary Piwarcyn of New York, New York County, NY was born on September 10, 1890, and died at age 82 years old in January 1973.

Mary Piwarcyn
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New York, New York County, NY 10009
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September 10, 1890
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January 1973
Death
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Updated: October 3, 2011
Biography ID: 9710145 What's this
Mary Piwarcyn Mary Piwarcyn (1890 - 1973)
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Mary Piwarcyn's History: 1890 - 1973

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  • 09/10
    1890

    Birthday

    September 10, 1890
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    Unknown
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  • 01/dd
    1973

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    January 1973
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  • Did you know?
    Mary Piwarcyn lived 1 year longer than the average family member when died at the age of 82.
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Did you know?
In 1890, in the year that Mary Piwarcyn was born, on October 9th, in Satory, France, the first fixed-wing, steam powered aircraft flew. "Ader Éole" flew, uncontrolled, for about 160 ft. at a height of just under 8 inches off the ground.
Did you know?
In 1905, at the age of just 15 years old, Mary was alive when the German born physicist, Albert Einstein, proposed the Special Theory of Relativity: 1) that observers can never detect uniform motion except relative to other objects and that 2) unlike the velocity of massive objects, the speed of light is a constant and is the same for all observers independent of their constant velocity toward or away from the light source. Not such simple concepts that lead to the equation everyone now knows: E = mc2.
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Mary Piwarcyn's Family Tree & Friends

Mary Piwarcyn's Family Tree

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Mary Piwarcyn Sep 10, 1890 - Jan 1973
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Other Biographies

Other Piwarcyn Family Biographies

Piwarcyn, Peter (Jul 8, 1886 - Jan 1965)
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