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FEBRUARY 28

1901 Linus Pauling (Oregon-born 1954 Nobel Laureate for Chemistry, 1962 Nobel Laureate for Peace) Linus Pauling DNA 1954 Nobel Laureate for Chemistry Nuclear Weapons 1962 Nobel Laureate for Peace
1911 Denis Parsons Burkitt (Irish-born English Surgeon Who Discovered That Viruses Can Cause Cancer in Humans) Northern Ireland Scientists & Mathematicians Cancer
1930 Leon Cooper (New York City-born 1972 Nobel Laureate for Physics) New York City Scientists & Mathematicians Physics 1972 Nobel Laureate for Physics
Deaths
Persons of Historic Significance Who Have Died on This Date
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1849 The First Gold Prospectors Arrive in San Francisco Aboard the Ship California The California Gold Rush San Francisco Gold Historic Firsts New York Times
1873 Gerhard Hansen Discovers the Bacterium That Causes Leprosy Norwegian Scientists and Mathematicians Leprosy Bacterial Infections IntelliHealth
1874 Georgia Creates the First State Department of Agriculture in the Nation Georgia Farming and Agriculture Historic Firsts University of Georgia
1878 Congress Approves the Issue of Silver Certificates and the Coinage of Silver Dollars U.S. Congress Silver Currency U.S. Treasury
1921 The Cleveland Clinic Opens to Its First Patients Cleveland, Ohio Health Care Cleveland Clinic
1925 6.7 Magnitude Earthquake Centers on Canada's Charlevoix-Kamouraska Area Canada Earthquake USGS
1935 Gerard Berchet Makes the First Strands of Nylon 6-6 Organic Chemistry Historic Firsts Chemical Heritage Foundation
1953 James Watson & Francis Crick Discover Structure of DNA James Watson DNA Protein BBC Technology and Society Writer's Almanac
1954 U.S. Conducts 1 mT Atmospheric Nuclear Test on Bikini Island The Cold War Nuclear Weapons Geoscience Australia
1968 NASA Launches ESSA-2 Satellite to Provide Worldwide Cloud-Cover Photography Space Exploration Clouds Photography NASA
1969 7.8 Magnitude Earthquake Kills 13 in Portugal and Morocco Portugal Morocco Earthquake Death USGS
1973 3.8 Magnitude Earthquake Felt in Delaware, Maryland, New Jersey, Pennsylvania Delaware Maryland New Jersey Pennsylvania Earthquake USGS
1979 7.5 Magnitude Earthquake Is Centered on Mt. St. Elias, Alaska Alaska Earthquake USGS
1980 U.S. Conducts Underground Nuclear Test in Nevada Nevada The Cold War Nuclear Weapons Geoscience Australia
1987 Gorbachev Calls for Elimination of Europe's Nuclear Missiles Mikhail Gorbachev Nuclear Weapons European History The History Channel
1990 Space Shuttle Atlantis (STS 36) Is Launched for Four-day Defense Mission Space Shuttle NASA
30 People Are Injured in 5.5 Magnitude Southern California Earthquake California Earthquake USGS
1997 6.1 Magnitude Earthquake Kills 965 in Armenia-Azerbaijan-Iran Border Region Armenia Azerbaijan Iran Earthquake Death USGS
2001 6.8 Magnitude Earthquake Injures 400 in Washington's Seattle-Tacoma-Olympia Area Washington Earthquake USGS

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