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Day in Engineering History Archive - July 25 | ||||||
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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.
July 25  1843: Scottish chemist Charles Macintosh, inventor of the rubberized raincoat that bears his name, died. 1857: Frank Julian Sprague, prodigious electrical design engineer, was born. 1909: Louis Blériot made the first successful crossing the English Channel in his Blériot XI monoplane. 1946: The first underwater nuclear explosion took place with the "Baker" atomic bomb during "Operation Crossroads" at Bikini Atoll in the Pacific. 1956: The Italian liner Andrea Doria collided with the Swedish ship Stockholm off the New England coast, claiming the lives of 51 people. 1959: The SR.N1 hovercraft became the first hovercraft to cross the English Channel. 1969: Sen. Ted Kennedy pleaded guilty to leaving the scene of the crime at Chappaquiddick, where he left Mary Jo Kopechne to drown in the car he drove off a bridge while drunk. 1978: Louise Joy Brown, the first test tube baby, was born in Oldham, England. 1987: Charles Draper, "the father of inertial navigation," died. 1984: Soviet cosmonaut Svetlana Savitskaya became the first woman to walk in space. | ||||||
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