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Day in Engineering History Archive - May 20 | ||||||
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Note: These historical tidbits have been collected from various sources, mostly on the Internet.
As detailed in
this article, 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.
Please submit significant
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
special
RF Cafe logos. Where available, I like to use images from postage stamps from the country where
the person or event occurred.
May 20  1874: Levi Strauss received a patent for making blue jeans with copper rivets. 1895: Reginald Mitchell, designer of the famous Spitfire airplane that beat back the German Luftwaffe in WWII, was born. 1901: Hideo Shima, Japanese designer of the world's first "bullet train," was born. 1913: William R. (Bill) Hewlett, co-founder of Hewlett Packard, was born. 1921: Marie Curie was presented with a gram of radium worth $100k at the White House. 1927: Charles Lindbergh took off from New York to cross the Atlantic for Paris aboard his airplane the "Spirit of St. Louis" (a 33-1/2 hour flight). 1932: Amelia Earhart took off to fly solo across the Atlantic Ocean, becoming the first woman to achieve the feat. 1940: Igor Sikorsky demonstrated his helicopter to the public. 1956: The first hydrogen fusion bomb (H-bomb) to be dropped from an airplane exploded over Namu Atoll at the northwest edge of the Bikini Atoll. 1982: Merle Tuve who first used pulsed radio waves to explore the ionosphere, died. 1990: The Hubble Space Telescope sent its first photograph from space. 2012: 1915: Eugene Polley, inventor of the TV remote, died. | ||||||
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