Mary Knowles

(1907 - 1990)

A photo of Mary Knowles
Mary Knowles
1907 - 1990
Born
February 2, 1907
Death
May 30, 1990
Summary
Mary Knowles was born on February 2, 1907. She died on May 30, 1990 at 83 years old.
Updated: February 06, 2019
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Mary Knowles
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Mary Knowles died on May 30, 1990 at 83 years of age. She was born on February 2, 1907. We have no information about Mary's family or relationships.

Refresh this page to see various historical events that occurred during Mary's lifetime.

In 1907, in the year that Mary Knowles was born, radiometric dating, a recently discovered technology that could date rocks, found that the earth was 2.2 billion years old which was dramatically older than previously thought. Later refinements and advancements in science would date the age of the earth at over 4.5 billion years.

In 1942, by the time she was 35 years old, due to World War II, automobile production in the United States was stopped on February 1st. A tire rationing program had begun the month before. Detroit - the main hub of car manufacturing - was ordered to free up assembly lines for military production. The president of the Automobile Manufacturers Association said “The automotive industry is in this war all the way". Some dealerships had to close and others expanded their repair shops. The used car market boomed (as did a black market in used cars).

In 1967, Mary was 60 years old when on October 2nd, Thurgood Marshall was sworn in as the first black US Supreme Court justice. Marshall was the great-grandson of a slave and graduated first in his class at Howard University Law School. His nomination to the Supreme Court was approved by the Senate, 69 to 11.

In 1979, at the age of 72 years old, Mary was alive when on March 28th, a partial nuclear meltdown occurred at the power plant at Three Mile Island Pennsylvania. Radiation leaked into the environment, resulting in a rating of 5 on a scale of 7 ("Accident With Wider Consequences") . It ended up costing $1 billion to clean up the site.

In 1990, in the year of Mary Knowles's passing, on April 24th, the Hubble telescope was launched into space after long delays due to the Challenger explosion. An optical flaw was found within weeks of launch but was fixed within three years. The discoveries made possible by the Hubble have contributed to scientists' understanding of the universe.

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c. 1886 - May 8, 1941
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Unknown - Unknown
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Unknown - Unknown
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Unknown - Unknown
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Unknown - Unknown
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1905 - 1974
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1889 - 1973
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Unknown - Unknown
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1896 - 1971
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1888 - 1970

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Jan 4, 1926 - Jun 10, 2010
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May 18, 1925 - November 1975
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May 17, 1913 - Apr 21, 2001
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Oct 11, 1917 - September 1968
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Jun 6, 1914 - February 1979
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Sep 2, 1904 - April 1981
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Oct 1, 1895 - Mar 2, 1991
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Jun 25, 1920 - Feb 7, 1999
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Jan 1, 1915 - Mar 8, 2002
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May 2, 1916 - Apr 22, 2001
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Jun 15, 1894 - May 1985
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Jun 30, 1889 - May 1982
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Jul 5, 1924 - Sep 6, 1998
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Dec 25, 1909 - November 1978
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Mar 15, 1924 - Nov 21, 1999
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Jul 4, 1926 - May 2, 2007
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Aug 9, 1914 - September 1969
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Nov 30, 1923 - Oct 16, 2008
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Aug 16, 1910 - Oct 22, 1998
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Aug 29, 1934 - Sep 13, 2001

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Nov 14, 1945 - May 8, 2004
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Aug 18, 1944 - May 1991
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Aug 8, 1945 - Feb 11, 2006
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Jul 20, 1945 - Jan 6, 2011
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Nov 28, 1940 - Dec 27, 2002
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Apr 7, 1942 - Jun 3, 2011
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Jul 8, 1943 - Apr 2, 2005
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Aug 6, 1946 - Aug 7, 2009
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Dec 31, 1944 - January 1981
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Feb 19, 1946 - Jul 9, 2001
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Oct 10, 1943 - Oct 8, 2001
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Oct 6, 1947 - Jul 13, 2010
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Aug 31, 1946 - Nov 21, 1993
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Sep 23, 1946 - Jul 25, 2007
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Nov 25, 1945 - Feb 23, 1994
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Jun 13, 1902 - April 1974
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