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OCTOBER 23

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United States: National Mole Day
(Celebration of the mole: Avogadro's Number 6.02 10 23 on 10/23 - Get it?)
The Mole Concept
1750 Nicolas Appert (French Chef: Pioneered Canning for Food Preservation) Nicolas Appert Food Safety
1794 Richard Banks (Georgia Physician, Namesake of Banks County, Georgia) Banks County, Georgia Medicine University of Georgia
1868 Frederick Lanchester (English Engineer; Builder of the First Car in England) English Scientists and Mathematicians Automotives
1873 William Coolidge (Massachusetts-born Engineer; Inventor of Flexible Filament for Mass-produced Light Bulbs Massachusetts Scientists and Mathematicians Inventors and Inventions
1875 Gilbert Newton Lewis (Massachusetts-born Chemist: Pioneer in Acids & Bases, Bonding, Electron Dot Diagrams) Gilbert Newton Lewis Chemistry Electrons
1905 Felix Bloch (Swiss-born American Physicist; 1952 Nobel Laureate in Physics) Swiss Scientists and Mathematicians Physics 1952 Nobel Laureate in Physics
1933 Phyllis J. Perry (California-born Children's Science Author) Phyllis J. Perry Primary Authors & Illustrators Science Insects
Deaths
Persons of Historic Significance Who Have Died on This Date
1997 Luther George Simjian (Turkish-born American Inventor) Turkish Scientists & Mathematicians Inventors & Inventions Technology & Society
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1877 Patent for a Gas-motor Engine Is Issued to Nicolaus Otto and Francis and William Crossley Automobiles Patents & Trademarks USPTO
1878 The First New York City Telephone Directory Is Published on a Single Page New York City Telephone Historic Firsts New York City Historical Society
1900 Walter Reed Presents Results Confirming Mosquito Theory of Yellow Fever Walter Reed Yellow Fever Medical Research Mosquito University of Virginia
1911 Italy Makes First Military Use of an Airplane with Reconnaissance Flight in Libya Libya Italy Aviation Military History Historic Firsts Technology & Society
1929 The First All-Air Coast-to-Coast Air Service Begins from Seattle to New York Seattle, Washington New York City Aviation History Historic Firsts History Link
1934 Minnesota Residents Jeannette and Jean Piccard Ascend in a Hydrogen Balloon to a Record 57,579 feet Minnesota Explorers and Pioneers Balloons Hydrogen Historic Firsts Minnesota Historical Society
1947 Argentine Physiologist and Czech-American Husband & Wife Researchers Chosen for Nobel Prize in Medicine Argentine Scientists and Mathematicians Czech Scientists and Mathematicians Medical Research 1947 Nobel Laureates for Medicine and Physiology Intellihealth
1952 Selman A. Waksman Selected for Nobel Prize in Physiology or Medicine Selman A. Waksman Tuberculosis 1952 Nobel Prize in Physiology or Medicine
1970 Gary Gabelich Sets Land Speed Record of 631.367 mph in The Blue Flame Rocket-Powered Vehicle Automobile Historic Firsts History Channel
1972 Cumberland Island National Seashore Is Established on Georgia's Southernmost Barrier Island Georgia Landmarks & Parks Cumberland Island National Seashore University of Georgia
1989 Explosions Caused by an Ethylene Gas Leak Kills 23 at a Pasadena, Texas Plastics Factory Texas Polymers and Plastics Death History Channel
1992 5.2 Magnitude Earthquake Kills Two in Morocco Morocco Earthquake Death USGS
2001 Apple Introduces the First iPod History of Technology Historic Firsts Apple
2011 7.2 Magnitude Earthquake Kills Hundreds in Turkey 2011 Turkey Earthquake Earthquake Death

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