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 March 9
1851: Hans Christian Oersted, who discovered electromagnetism and after
whom the unit of magnetic field (H) is named, died. 1856:
Edward
Acheson, inventor of abrasive carborundum, the 2nd-hardest substance after diamond,
was born. 1893: Dewar
announced at the meeting of the Royal Society that he had succeeded in freezing
air into a clear, transparent solid. 1932: Ford built its first
V-8 vehicle. 1939: Russian cosmonaut
Yuri Gagarin,
the first human in space, was born. 1942:
Robert
Bosch, the German engineer and industrialist who was invented the spark plug
and magneto, died. 1959: The first known radar contact was made with Venus. 1961:
Sputnik 9 carried Chernushka the dog into orbit. 1964: The first
Ford Mustang
rolled off of the Ford assembly line.
| Jan
| Feb | Mar |
Apr | May |
Jun | Jul |
Aug | Sep |
Oct | Nov |
Dec |
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. Many 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. Images used in the logos are often from open source
websites like Wikipedia, and are specifically credited with a hyperlink back to
the source where possible.
Fair Use laws permit
small samples of copyrighted content.
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