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Mary Callahan 1890 - 1970

Mary Callahan of Peace Dale, Washington County, RI was born on October 29, 1890, and died at age 79 years old in July 1970.
Mary Callahan
Peace Dale, Washington County, RI 02883
October 29, 1890
July 1970
Female
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Mary Callahan's History: 1890 - 1970

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  • 10/29
    1890

    Birthday

    October 29, 1890
    Birthdate
    Unknown
    Birthplace
  • 07/dd
    1970

    Death

    July 1970
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary Callahan lived 6 years longer than the average family member when died at the age of 79.
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Did you know?
In 1890, in the year that Mary Callahan was born, on December 29th, the Wounded Knee Massacre occurred in South Dakota on the Lakota Pine Ridge Indian Reservation . The U.S. 7th Cavalry Regiment said that they rode into the Lakota camp "trying to disarm" the inhabitants. One person, Black Coyote - who was deaf - held onto his rifle, saying that he paid a lot of money for it. Shots rang out and by the end at least 153 Lakota Sioux - some estimates say 300 - and 25 troops had died. The site of the massacre is a National Historic Landmark.
Did you know?
In 1905, she was merely 15 years old 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 Callahan's Family Tree & Friends

Mary Callahan's Family Tree

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Mary's Friends

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Other Biographies

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