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 November 23
 1616: English mathematician
John Wallis,
who introduced the infinity symbol (∞), was born. 1826: German astronomer
Johann Bode,
who developed Bode's Law, died. 1837: Nobel Prize winner
Johannes van der Waals, of molecular electrostatic forces fame,
was born . 1874: A paper by Ferdinand Braun was published in the Annalen der Physik
und Chemie describing his discovery of the
electrical rectifier
effect. 1889: The first jukebox made its debut in San Francisco, at the Palais
Royale Saloon. 1897: A patent was issued for a
pencil sharpener to John Love of Fall River, MA. 1910: Aviation
pioneer Octave
Chanute died. 1948:The first patent for a lens to provide zoom effects was issued
to F.G. Back as a "varifocal lens for cameras." 1963:
Lyndon Johnson took over as president of the U.S. following the
assassination of JFK. 1971: The People's Republic of China was seated in the
UN Security Council.
| 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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