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JANUARY 27

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National Toilet Day
(Commemorates the life of Thomas Crapper, the person who popularized the flush toilet. He died 01/27/1910)
Thomas Crapper Inventors and Inventions National Geographic
1829 Friedrich August Kekulé (German Organic Chemist) German Scientists & Mathematicians Organic Chemistry
1850 Hyman G. Rickover (Polish-American Pioneer of the United States' Nuclear Navy) Hyman G. Rickover Naval History Nuclear Weapons
1887 Carl Blegen (Minnesota-born Archaeologist) Carl Blegen Archaeology
1888 Victor Moritz Goldschmidt (Swiss Geologist) Swiss Scientists & Mathematicians Geology
1903 John Carew Eccles (Australian-born 1963 Nobel Laureate for Physiology or Medicine) Australian Scientists & Mathematicians The Cell 1963 Nobel Laureate for Physiology or Medicine
1936 Samuel Chao Chung Ting (Michigan-born Asian-American 1976 Nobel Laureate for Physics) Samuel Chao Chung Ting Sub-atomic Particles Asian-American Scientists & Matheamticians 1976 Nobel Laureate for Physics
1942 Janice VanCleave (Texas-born Children's Author) Texas Authors and Illustrators Young-adult Authors Science
Deaths
Persons of Historic Significance Who Have Died on This Date
1731 Bartolomeo Cristofori (Italian Inventor of the Piano) Italian Scientist and Inventors Inventors and Inventions The Piano
1851 John James Audubon (Haitian-American Naturalist) John James Audubon Birds
1910 Thomas Crapper (English Inventor of the Toilet) Thomas Crapper Inventors and Inventions
1967 Virgil "Gus" Grissom (Indiana-born Astronaut) Gus Grissom Astronauts
Ed White (Texas-born Astronaut) Ed White Astronauts
Roger Chaffee (Michigan-born Astronaut) Roger Chaffee Astronauts
1989 Thomas Octave Murdoch Sopwith (English Aviation Pioneer) English Explorers and Aviators Aviation History Peanuts World War I Technology and Society
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1880 Thomas Edison Is Granted Patent #23,898 for His Incandescent Light Thomas Edison The Light Bulb Trademarks and Patents USPTO
1899 In France, Camille Jenatzy Sets Land Speed Record (49.932 mph) in Battery-powered Automobile France Automobiles History of Technology Historic Firsts University of Miami
1904 Driving in France, an American Sets First Land-Speed Record in a Gasoline Automobile (76.086mph) France Automobiles Historic Firsts History Channel
1925 In Alaska, a Dog Team Begins a 9-day Relay to Carry Serum from Nenana to Fight a Diphtheria Epidemic in Nome Alaska Diphtheria Dogsledding Alaska Historical Society
1926 John Logie Baird Demonstrates First True Television System in London English History Television History of Technology History Channel
1937 Flooding Along the Ohio River Reaches Its Highest Point at Jeffersonville, Indiana Jeffersonville, Indiana Ohio River Flooding Indiana Historical Society
1948 First Magnetic Tape Recorder Goes on Sale for $49.50 History of Technology Historic Firsts National Council for Science and Technology Communication
1951 U.S. Air Force Plane Explodes a One-kiloton Nuclear Bomb in Nevada Nevada Nuclear Weapons The Cold War Historic Firsts History Channel
1959 The Duke of Edinburgh Lays the Cornerstone for the Indian Institute of Technology Delhi Delhi, India Education Technology Indian Institute of Technology Delhi National Council for Science and Technology Communication
1964 DuPont Introduces "Corfam" Synthetic Substitute for Leather Chemistry Business & Economics DuPont Management Consulting News
1967 Apollo Astronauts Grissom, Chaffee and White Perish in Capsule Flash Fire Gus Grissom Ed White Roger Chaffee Notable Persons Who Have Died on This Date NASA History Channel New York Times BBC
More Than 60 Nations Sign Treaty Banning Nuclear Weapons in Space Nuclear Weapons Space World History New York Times
1980 Magnitude 5.4 Earthquake is Centered Near Livermore, California Livermore, California Earthquake USGS

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