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  December 13
1545:
Council of
Trent began. 1816:
Werner
von Siemens, German electrical engineer who helped develop telegraph industry
(and for whom the unit of conductance is named after), was born. 1903: Wright Brothers
made their first flight at Kittyhawk, NC. 1920: first accurate measurement of the
size of a fixed star was made on Betelgeuse and was found to be 260 million miles
in diameter - 150 times larger than the previous measurement. 1934:
Thomas Watson,
assistant to Alexander Graham Bell, died. 1939: Perkin Elmer incorporated. 1962:
The first U.S. communications earth satellite to transmit telephone, television,
teleprinter & facsimile signals,
Relay I,
was launched. 1990: Tim Berners-Lee launched the World Wide Web. 1994: First meeting
of the World Wide Web (W3) Consortium took place in Cambridge at the Massachusetts
Institute of Technology.
| 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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