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 April 9
 1770:
Thomas
Seebeck, who discovered that an electric current flows between different conductive
materials that are kept at different temperatures (Seebeck
Effect), was born. 1864:
Sebastian de Ferranti, an electrical engineer who developed the
first 10 kV (4x previous) transmission system and components, was born. 1865: Robert
E. Lee surrendered to Ulysses S. Grant at
Appomattox Courthouse
in VA. 1895: Astronomer
James Keeler proved the rings of Saturn were composed of meteoric
particles. 1899: James McDonnell, founder of the
McDonnell Aircraft Corporation, was born. 1934:
Oskar von
Miller, who pioneered the electric power industry in Germany, died. 1940: Germany
invaded
Denmark and Norway. 1953:
Man in the
Dark, the first 3D motion picture produced and released by a major company,
was shown. 1959: NASA announced the selection of America's first seven
astronauts: Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom,
Wally Schirra, Alan Shepard and Donald Slayton. 1963: Winston Churchill becomes
first honorary U.S. citizen. 1965: "TIME" magazine featured a cover with the entire "Peanuts" gang.
1967: The first Boeing 737 made its maiden flight. 2003: Newly liberated Iraqi
citizens toppled a statue of
Saddam Hussein in Baghdad.
| 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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