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


1731 Henry Cavendish (English Chemist) Henry Cavendish Chemistry Hydrogren Water
1770 Benjamin Wright (Connecticut-born Engineer; Directed Construction of Erie Canal) Connecticut Scientists & Mathematicians Erie Canal
1892 Earle Dickson (Tennessee-born Inventor of the Band-Aid) Tennessee Scientists & Inventors Inventors & Inventions Health Care Johnson and Johnson
1908 Min-Chueh Chang (Chinese Pioneer in Human Anatomy & Reproduction) Min-Chueh Chang Human Anatomy & Reproduction
1927 Hazel Johnson (Pennsylvania-born African-American Military Leader) Hazel Johnson Famous American Military Leaders Famous African Americans
1936 Gerhard Ertl (German Physical Chemist; 2007 Nobel Laureate for Chemistry) Gerhard Ertl Catalysis 2007 Nobel Laureate for Chemistry
1948 Evelyn Gallardo (Los Angeles-born Photographer, Children's Author) Evelyn Gallardo Young-adult Author Photography Primates
Persons of Historic Significance Who Have Died on This Date
1929 Elijah McCoy (Canadian-born African-American Inventor) Elijah McCoy Steam Engine African American Scientists & Inventors
1850 Chesapeake & Ohio Canal Completed: D.C. to Cumberland, MD Maryland Washington, D.C. Chesapeake & Ohio Canal
1863 Denver's First Telegraph Office Opens for Business Colorado The Telegraph Rootsweb
1881 Charles Darwin Publishes Work on Mold and Worms Charles Darwin Literature Worms History Channel
1905 President Theodore Roosevelt Designates Passage Key in Florida's Tampa Bay as a Protected Breeding Reservation for Water Birds Florida Parks President Theodore Roosevelt Birds Earth Science Passage Key Florida Historical Society
1910 Theodore Roosevelt Protects Passage Key in Florida's Tampa Bay for Water Birds Florida Theodore Roosevelt Birds Earth & Environmental Science The Theodore Roosevelt Assocation
1913 Via Telegraph, President Wilson Ignites Charge to Join Atlantic & Pacific in Panamá The Panamá Canal President Woodrow Wilson Rivers, Streams & Canals The Telegraph CNN
1918 In Minnesota, a Forest Fire Begins That Will Burn 38 Communities and Kill 435 People Minnesota Trees Fire Safety Death Minnesota Historical Society
1933 Waldo Lonsbury Semon Patents Vinyl Alabama Scientists & Inventors Patents and Trademarks Inventors & Inventions Organic Chemistry Center for Technology and Society
1949 A Wind Storm Sweeps through Minnesota, Causing $10M Damage to Corn Crops and $1M Property Damage in St. Paul St. Paul, Minnesota Wind Farming & Agriculture Economics Minnesota Historical Society
1963 Emory Bennett Causeway Opens Across Florida's Indian River Florida Automobiles Bridges Florida Historical Society
Residents of Rock County, Wisconsin Visit Clinics to Receive the Sabin Oral Vaccine Against Polio Rock Polio Wisconsin Historical Society
1980 7.7 Magnitude Earthquake Kills 5,000, Injures 9,000 in Algeria Algeria Earthquake Death USGS
1986 5.5 Magnitude Earthquake Kills 10,000, Injures 9,000 in El Salvador El Salvador Earthquake Death USGS
2007 German Physical Chemist Gerhard Ertl Is Selected as the 2007 Nobel Laureate for Chemistry on His 71st Birthday Gerhard Ertl Catalysis 2007 Nobel Laureate for Chemistry

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