Return Today in the History of  Science, Math, Invention & Technology Return


Ethiopia: Timket (Epiphany)
(Jan 18-20 three-day celebration of the Epiphany in accordance with the Julian calendar)
Ethiopia Religion Epiphany/Twelfth Night Ethiopian River Valley of Safaris
Scientists, Mathematicians and Inventors
1799 Joseph Dixon (Massachusetts-born Inventor and Founder of the Dixon Lead Pencil) Massachusetts Scientists & Mathematicians Inventors & Inventions Dixon
1813 Joseph Farwell Glidden (New Hampshire-born Farmer, Merchant Whose Improvements Led to the Mass Production of Barbed Wire) Joseph Farwell Glidden Inventors & Inventions Animals Westward Expansion
1825 Edward Frankland (English Chemist Who Discovered the Spectral Lines in Sunlight Associated with the Element Helium) English Scientists & Mathematicians Chemical Bonding Spectroscopy Helium
1854 Thomas Watson (Massachusetts-born Inventor Associate of Alexander Graham Bell) Thomas Watson Alexander Graham Bell Inventors & Inventions Telegraph Telephone
1858 Daniel Hale Williams (Pennsylvania-born African-American Physician Who Performed the First Recorded Successful Heart Surgery) Daniel Hale Williams Medicine The Heart African-American Scientists & Mathematicans
1861 Hans Goldschmidt (German Chemist Who Developed Thermite for Welding) German Scientists & Mathematicians University of Berlin (German)
1888 Thomas Sopwith (English Engineer, Industrialist Who Developed and Manufactured the Sopwith Camel World War I Aircraft) English Scientists & Inventors Aviation History Peanuts World War I
1921 Yoichiro Nambu (Japanese-born Asian-American 2008 Nobel Laureate for Physics) Yoichiro Nambu Subatomic Particles Asian-American Scientists & Mathematicians 2008 Nobel Laureate for Physics
1933 Ray Dolby (Oregon-born Engineer Who Developed Dolby Noise-Reduction Sound Systems) Ray Dolby Inventors & Inventions Sound
Persons of Historic Significance Who Have Died on This Date
1782 John Pringle (Scottish President of the Royal Society; the "Father of Modern Military Medicine") Scottish Scientists & Mathematicians Medicine BBC
1908 Herman Snellen (Dutch Ophthalmologist Who Developed the Snellen's Test for Determining Acuteness of Vision.) Dutch Scientists & Mathematicians Inventors & Inventions Medicine
1955 Luis Enrique Erro (Mexican Engineer Who Helped Establish the Advanced School of Mechanical Engineers and Electricians and the National Polytechnic Institute) Mexican Political & Social Leaders Hispanic Heritage
1892 Frank Hibbing Arrives in St. Louis County, Minnesota to Test for a Mine Site That Will Eventually Bear His Name Hibbing, Minnesota Iron Minnesota Historical Society
1903 Guglielmo Marconi Transmits the First Trans-Atlantic Radio Message from Cape Cod to England Guglielmo Marconi Great Britain Massachusetts President Theodore Roosevelt Radio Historic Firsts Massachusetts Foundation for the Humanities
1957 Three of Five B-52 Bombers Complete First Nonstop Flight Around the World (45h 20m) Aviation History Historic Firsts NASA
1969 6.3 Magnitude Earthquake Kills 11 in South Africa South Africa Earthquake Death USGS
1974 NASA Launches Skynet IIA Defense Communications Satellite Space Exploration Technology NASA
1982 5.5 Magnitude Earthquake Causes Landslides, Kills 2 in Guatemala Guatemala Earthquake Death USGS
1993 6.3 Magnitude Earthquake Kills 9,748 in Southern India India Earthquake Death USGS
1994 U.S. Department of Energy Announces Solar Panels Twice As Efficient As Existing Panels U.S. Department of Energy The Sun Solar Energy
Minnesota Governor Arne Carlson Closes All State Schools Due to Extreme Cold Temperatures Minnesota Education Education Temperature Minnesota Historical Society

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