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Note: These historical tidbits have been collected from various sources, mostly on the Internet.
As detailed in
, 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.
historical events and dates for inclusion in these lists. I will be glad to include your name and
birthday. Please do not submit your death date ;-)
A couple years ago, I began commemorating the birthdays of notable people and events with
RF Cafe logos
. Where available, I like to use images from postage stamps from the country where
the person or event occurred.
sighted four of Jupiter's moons (Io, Europa, Ganymede, and Callisto). 1785: Jean Blanchard and John Jeffries made
first air crossing of the English Channel from England to France in a
(first international flight). 1904: Marconi established "CQD
" (-·-· --·- -··,
=be quite and listen, D=distress) as the first
international radio distress signal, but two years later, "SOS
" (··· --- ···, Save Our
Souls) became the radio distress signal because it was faster to send by wireless radio. 1927: Commercial
transatlantic telephone service
was inaugurated between New York and London. 1935:
Sir Alfred Ewing
, the physicist who
discovered and named hysteresis, died. 1943: Serbian-American high voltage experimenter
died. 1980: The first solar-cell power plant
was dedicated at Natural Bridges National Monument, UT (266,029 solar
cells in 12 producing 100 kW). 1998:
, of error correction
code fame, died. 2004: American electrical engineer
Oswald "Mike" Villard Jr.
developed over-the-horizon radar, died.