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MARCH 5

1512 Gerardus Mercator (Flemish Cartographer) Gerardus Mercator Maps
1574 William Oughtred (English Mathematician, Inventor of the Slide Rule) English Scientists, Mathematicians & Inventors Mathematics Inventors & Inventions Center for the Study of Technology and Society
1830 Étienne-Jules Marey (French Inventor, Pioneer of Chronophotography) French Scientists, Mathematicians & Inventors Inventors & Inventions Photography Center for the Study of Technology and Society
1876 Edouard Belin (French Engineer Who Invented the First Telephoto Transmission Device) French Scientists, Mathematicians & Inventors Inventors & Inventions History of Technology Photography Center for the Study of Technology and Society
1938 Lynn Margulis (Chicago-born Biologist) Lynn Margulis Botany Cells Evolution
Deaths
Persons of Historic Significance Who Have Died on This Date
1815 Franz Anton Mesmer (Swiss-German Physician Who Pioneered the Medical Field of Hypnotic Therapy) Swiss Scientists & Mathematicians Medical Research Psychology History Channel
1827 Pierre-Simon Laplace (French Mathematician) Pierre-Simon Laplace Calculus
1929 Howard George Lacey (English-American West Texas Naturalist) English Scientists Texas Scientists Botany Texas State Historical Association
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1852 In Benton County, Minnesota, Farmers Form the State's First County Agricultural Society Benton County, Minnesota Farming and Agriculture Historic Firsts Minnesota Historical Society
1872 George Westinghouse Jr. Patents the Steam Air Brake for Trains George Westinghouse Railroads Inventors & Inventions Patents USPTO
1875 Wisconsin Offers $10,000 for Cheap Practical Machine to Replace the Horse Wisconsin Automobile Inventors History Channel
1882 Mayor of Portland, Oregon Telegraphs Mayor of Portland, Maine to Celebrate New Line to the Atlantic Portland, Oregon Portland, Maine The Telegraph SalemOregon.com
1916 4.5 Magnitude Earthquake Centered 30 Miles Southeast of Atlanta, Georgia Is Felt Over Area of 50,00 Square Miles Georgia Earthquakes USGS
1958 Booster Rocket Fails to Ignite and U.S. Explorer 2 Fails to Reach Earth Orbit Space Exploration NASA
1962 U.S. Conducts Underground Nuclear Test in Nevada Nevada Nuclear Weapons The Cold War Geoscience Australia
1966 U.S. Conducts Underground Nuclear Test in Nevada Nevada Nuclear Weapons The Cold War Geoscience Australia
1968 NASA Launches SOLRAD-9 (Explorer 37) Satellite to Provide Continuous Coverage of Solar Radiation Space Exploration The Sun NASA
1970 A Nuclear Non-Proliferation Treaty Goes Into Effect After Ratification by 43 Nations Nuclear Weapons Historic World Documents World History New York Times
1978 NASA Launches Landsat 3 Remote Sensing Data Satellite Earth Surveying and Mapping Space Exploration Earth Science NASA
1979 U.S. Voyager I Approaches within 172,000 miles of Jupiter Jupiter NASA
1982 Soviet Union's Venera 14 Lands on Venus Russian Space Program Venus NASA

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