 July 9
 1856: Serbian-American
high voltage experimenter Nikola
Tesla was born. 1865: Count Amedeo Avogadro, who discovered that at the same T and P all
volumes of a perfect gas contained the same number of particles, and defined 6.022 x
10^23 units per mole of a substance, died. 1872: The doughnut cutter was patented by
John F. Blondel.
1894: Percy Spencer, inventor of the
microwave oven, was born. 1910:
Walter Brookins
became the first to fly an airplane a mile in the air. 1911:
John Wheeler, who coined
the term "Black Hole," was born. 1919: Present-day
Ford Motor Company incorporated in DE. 1932: King Gillette, inventor
of the safety
razor, died. 1953:
New York Airways began the first commuter passenger service by helicopter.
1956: Dick Clark first hosted "Bandstand." 1962: The "Starfish Prime"
high altitude nuclear tests were performed at Johnston Island.
1964: My sister, Tina, was born - Happy Birthday!
1968: Frederick Schollhammer received a patent for his "Portable Beam Generator," otherwise
known as a hand-held laser ray gun. 1979:
Voyager 2, made its closest
approach to Jupiter. 1982: A man broke into
Buckingham Palace
and spent ten minutes talking to the Queen in her bedroom. 1999: A jury in Los Angeles
ordered General Motors to pay $4.9B to six people severely burned when their
Chevrolet Malibu
exploded in flames in a rear-end collision. 1999:
Charles P. "Pete" Conrad, the third human to walk on the moon during
Apollo 12, died.
| 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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