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FEBRUARY 20

1844 Ludwig Boltzmann (Austrian Mathematician) Ludwig Boltzmann Calculus
1901 René Dubos (French Bacteriologist Who Discovered Tyrothricin, the First Commercially Produced Antibiotic) René Dubos Bacteria
1946 George F. Smoot (Florida-born Astrophysicist; 2006 Nobel Laureate for Physics) George Smoot Space and Astronomy 2006 Nobel Laureate for Physics
Deaths
Persons of Historic Significance Who Have Died on This Date
1993 Ferrucio Lamborghini (Italian Auto Maker) Ferrucio Lamborghini Automobiles Technology  and Society
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1835 8.5 Magnitude Earthquake and Tsunami Devastate Concepción, Chile Chile Earthquakes Tsunami University of California Santa Barbara
1842 Indiana's First Medical School Opens as a Department of LaPorte University LaPorte County Education Medicine Historic Firsts Indiana Historical Society
1871 7.0 Earthquake Is Centered Near Lanai, Hawaii Hawaii Earthquakes USGS
1873 University of California Medical School Is Established California Education Medicine University of California Medical School Intellihealth
1889 Florida State Board of Health Is Created, Following Yellow Fever Epidemic in Jacksonville Florida Yellow Fever Florida Historical Society
1962 John Glenn Is the First American to Orbit the Earth John Glenn NASA BBC History Channel New York Times
1965 NASA's Ranger 8 Sends Thousands of Pictures & Crashes into Lunar Surface Lunar Exploration Photography NASA
1975 USSR Conducts Underground Nuclear Test in Kazakhstan Kazakhstan Soviet Union The Cold War Nuclear Weapons Geoscience Australia
NASA Launches Intelsat 4 F-6 Telecommunications Satellite Space Exploration History of Technology NASA
1986 Soviets Launches into Orbit 20-ton Core Module for MIR Space Station Russian Space Program Space Exploration Technology  and Society NASA
1989 Total Eclipse of the Moon The Moon NASA
1998 6.4 Magnitude Earthquake Kills 1 in the Afghanistan-Tajikistan Border Region Afghanistan Tajikistan Earthquakes Death USGS

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