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MAY 13

1857 Ronald Ross (English Bacteriologist; 1902 Nobel Laureate for Medicine or Physiology) Ronald Ross Malaria 1902 Nobel Laureate for Medicine or Physiology
1888 Inge Lehmann (Danish Seismologist Who Discovered the Inner Core of the Earth) Danish Scientists & Mathemamticians Earth Science UCLA USGS
1928 Agnes D. Lattimer (Tennessee-born African-American Physician) Tennessee Mathematicians and Scientists Medical Profession
Deaths
Persons of Historic Significance Who Have Died on This Date
1852 George Dollond (English Optician, Inventor) English Scientists & Mathamaticians Inventors and Inventions Center for the Study of Technology snd Society
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1858 In Minnesota, Surveying Begins to Make a Road of the East Plains Oxcart Trail From St. Cloud to Breckenridge (Today's Highway 52) Minnesota Transportation Minnesota Historical Society
1884 American Institute of Electrical Engineers (later IEEE) Is Founded Scientists/Mathematicians Standards IEEE
1898 Thomas Edison Sues American Mutoscope and Biograph Pictures for Infringement on His Patent for the Kinetograph Movie Camera Kinetoscope Inventors and Inventions Film Patents and Trademarks Law The History Channel
1908 President Theodore Roosevelt Opens Governors' Conservation Conference T. Roosevelt Earth & Environment Library of Congress
1913 Igor Sikorsky Flies the First Four-engine Aircraft Aviation History Historic Firsts Sikorsky Aircraft
1914 Guglielmo Marconi Demonstrates His Wireless in New York City by Communicating with Philadelphia and Two Ships at Sea Marconi New York City Philadelphia Radio Naval History New York Historical Society
1954 U.S. Votes to Join Canada in Development of St. Lawrence Seaway Waterways Canada Great Lakes St. Lawrence Seaway System Eisenhower Library
1958 VELCRO is Trademarked Inventions Patents, Copyrights & Trademarks Velcro U.S. Patent & Trademark Office
1960 The United States Launches the First Echo Experimental Communications Satellite Space Exploration Historic Firsts NASA
1976 NASA Launches the Comstar 1 Communications Satellite Space Exploration NASA
1982 Two Soviets Launched in Soyuz T-5 for 211 Days in Space Russian Space Program Space Exploration NASA
1986 A 5.7 Magnitude Earthquake Kills Two People and Destroys 1,500 Buildings Along the Georgia-Turkey Border Georgia Turkey Earthquake Death USGS
1995 A 6.6 Magnitude Earthquake and Aftershocks Injures 25 People and Destroys 5,000 Homes in the Grevena-Kozani Area of Greece Greece Earthquake USGS

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