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 November 20
 1866: James Haven and Charles
Hettrich of Cincinnati, OH, received the first patent for a
yoyo in the U.S. 1882: Astrophotographer
Henry Draper
died. 1889: Astronomer Edwin Hubbell was born. 1906: American radio pioneer Greenleaf
Pickard received a patent for the first
silicon crystal detector. 1923: Garrett Morgan patented an automatic
traffic signal. 1924: Benoit Mandelbrot, popularize of fractal geometry, was born. 1945:
The Nuremberg
trials of  Nazis began at the Nuremberg Palace of Justice.
1954: American aviation pioneer
Clyde Cessna
died. 1967: At 11 AM, the
Census
Clock at the Department of Commerce hit 200 million (300 million in October
2006). 1985: Microsoft released
Windows version
1.0. 1991: The U.S. provided $1.5B in food and technical assistance to the Soviet
Union. 1993:
NAFTA was approved by the U.S. senate - that "giant sucking sound"
of jobs turned out to be a "giant blowing sound" of illegals into the country. 1998:
Construction of the
International Space Station (ISS) began. 2000: Intel introduced
its Pentium-4 microprocessor.
| 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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