Day in Engineering History Archive - January 15
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Note: These historical tidbits have been collected from various sources, mostly on the Internet.
As detailed in
, there is a lot of
wrong information that is repeated hundreds of times because most websites do not validate with
authoritative sources. On RF Cafe,
events with hyperlinks
have been verified.
historical events and dates for inclusion in these lists. I will be glad to include your name and
birthday. Please do not submit your death date ;-)
A couple years ago, I began commemorating the birthdays of notable people and events with
RF Cafe logos
. Where available, I like to use images from postage stamps from the country where
the person or event occurred.
1861: The safety elevator was patented as a "Hoisting Apparatus" by Elisha Otis, of Yonkers, NY. 1870: The Democratic party was first represented as a donkey in a cartoon by Thomas Nast in Harper's Weekly. 1907: The three-element vacuum tube (triode) patent was issued to its inventor, Dr Lee de Forest as a "device for amplifying feeble electric currents - such, for example, as telephone currents." 1908: Edward Teller, "father of the H-bomb," was born. 1943: The Pentagon, the world's highest capacity office building, was dedicated in Arlington, VA. 1967 :The first Super Bowl was played as the Green Bay Packers of the NFL defeated the Kansas City Chiefs of the American Football League, 35-10. 1970: William Piper, designer of the infamous J-3 aircraft, died. 1974: "Happy Days" first aired on ABC. 2001: Wikipedia, the source used for many of the events listed here, first went online.