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.
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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.