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 September 19
 1839: Chocolate maker
George Cadbury
was born. 1843: Gustave-Gaspard Coriolis, who discovered the differential circulation
effect that bears his name, died. 1876: Inventor Melville Bissell received a U.S.
patent for the carpet sweeper. 1928: The first airplane flight using a diesel
engine was made in a Stinson Detroiter. 1957: The U.S. conducted its first underground
nuclear test, in the Nevada desert, at Area 12 of the
Nevada Test Site. 1968: American physicist
Chester Carlson,
inventor of
xerography, died. 1982: The first "smiley-face" emoticon :-) appeared on an online bulletin board.
1986: My wonderful daughter, Sally, was born - Happy Birthday! 1988: Israel launched its first
satellite, "Offeq-1"
(Horizon 1), onboard a Shavit rocket, becoming the ninth country in space. 2006:
RF Cafe became an international entity with the acquisition of the rfcafe.eu domain
name.
Note: These
historical tidbits (see daily
list) have been collected from various sources, mostly on the Internet.
As detailed in my
It Happened When? Factoid 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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