Mary Engle Pennington, American bacteriological chemist and refrigeration engineer (d. 1952)
Mary Engle Pennington (October 8, 1872 – December 27, 1952) was an American bacteriological chemist and refrigeration engineer.
1872Oct, 8
Mary Engle Pennington
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Events on 1872
- 5Mar
Railway air brake
George Westinghouse patents the air brake. - 22Mar
Gender equality
Illinois becomes the first state to require gender equality in employment. - 22May
Amnesty Act
Reconstruction Era: President Ulysses S. Grant signs the Amnesty Act into law, restoring full civil and political rights to all but about 500 Confederate sympathizers. - 29Nov
Battle of Lost River
American Indian Wars: The Modoc War begins with the Battle of Lost River. - 9Dec
P. B. S. Pinchback
In Louisiana, P. B. S. Pinchback becomes the first African-American governor of a U.S. state.