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 July 9
 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 talked 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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