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FEBRUARY 21

1895 Henrik Dam (Danish-born 1943 Nobel Laureate for Physiology and Medicine) Danish Scientists & Mathematicians 1943 Nobel Laureate for Physiology and Medicine
1909 Helen Octavia Dickens (Ohio-born African-American Physician) Ohio Scientists and Mathematicians Medicine African Americans Scientists and Mathematicians African American Registry
Deaths
Persons of Historic Significance Who Have Died on This Date
1938 George Ellery Hale (Chicago-born Astronomer) Chicago Scientists and Mathematicians Space, Astronomy & Cosmology
1999 Gertrude Elion (New York City-born 1988 Nobel Laureate for Physiology and Medicine) Gertrude Elion Medical Research 1988 Nobel Laureate for Physiology and Medicine
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1804 The First Locomotive Is Run for the First Time in Wales Wales Railroads Historic Firsts Technology and Society
1842 John Greenough Receives First U.S. Patent for a Sewing Machine Inventors & Inventions Patents Historic Firsts
1848 John Quincy Adams Suffers a Stroke in the U.S. House of Representatives U.S. House of Representatives John Quincy Adams Stroke The History Channel
1853 Act of Congress Authorizes Production of a Three-dollar Gold Coin U.S. Congress Currencies Gold U.S. Treasury
1865 John Deere Receives Patent for Ploughs Farming & Agriculture Inventors & Inventions Patents John Deere USPTO
1866 Lucy Hobbs Is First Woman Graduate from a U.S. Dental School Education Medical Profession Women Historic Firsts New York Times
1887 Hoagland Laboratory Is Incorporated in Brooklyn, N.Y. as the First True Bacteriology Laboratory New York City Medical Research Bacteria Historic Firsts Intellihealth
1916 5.2 Magnitude Earthquake Near Waynesville Is Largest in North Carolina's Recorded History North Carolina Earthquakes USGS
1925 Fred and Augie Duesenberg Organize the Duesenberg Motor Car Company in Indianapolis, Indiana Indianapolis, Indiana Automotives Business Indiana Historical Society
1931 Alka Seltzer Is Introduced Drugs, Medicines, Supplements Alka-Seltzer Body1.com Historic Firsts
1937 San Diego Inventor, Waldo Waterman, Successfully Tests the First Flying Automobile California Scientists & Inventors Inventors & Inventions Automobiles Aviation History Historic Firsts Technology and Society
1947 Edwin Land Demonstrates First Instant Developing Camera Photography Inventors & Inventions Historic Firsts George Eastman House Wired
1961 NASA Conducts Successful Test Launch of the Mercury Atlas Rocket Space Exploration NASA
NASA Launches COMSTAR 4 Communications Satellite Space Exploration History of Technology NASA
African-American Inventor Otis Boykin Receives Patent #2,972,726 for an Electrical Resistor Texas Scientists & Inventors Patents & Trademarks Inventors & Inventions African American Scientists and Inventors About.com African American Registry
1963 U.S. Conducts Underground Nuclear Test in Nevada Nevada The Cold War Nuclear Weapons Geoscience Australia
1971 Tornadoes Kill 121 in Mississippi, Louisiana, Arkansas and Tennessee Arkansas Louisiana Mississippi Tennessee Tornadoes Death National Weather Service
1991 6.5 Magnitude Earthquake Is Centered in the Bering Sea Earthquakes USGS
1995 Steve Fossett Is First Person to Balloon Solo Across the Pacific Ocean: Korea to Saskatchewan Canada Balloons Historic Firsts Steve Fossett's Official Website New York Times
1996 Russia Launches Soyuz TM-23 for 193-day MIR Docking Mission Russian Space Program Space Exploration Astronautix
7.5 Magnitude Earthquake Kills Four Fishermen Off of Peru's Northeastern Coast Peru Earthquakes Death USGS
1997 Space Shuttle STS 82 (Discovery 22) Completes 10-day Hubble Service Mission Space Shuttle Hubble Space Telescope NASA
2001 Outbreak of Foot-and-Mouth Disease Causes Ban of All British Milk, Meat, Livestock Exports Great Britain Cows Foot-and-Mouth Disease BBC

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