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 July 15
1868:
William Morton, the first dentist to use ether (letheon) during a tooth extraction, died. 1869:
Hippolyte
Mège Mouriés patented margarine following a contest held by Emperor Napoleon
III to find a suitable substitute for butter used by the French Navy. 1916: The
Boeing Company, originally known as Pacific Aero Products, was
founded in Seattle by William Boeing. 1933:
Wiley Post began the first solo flight around world. 1940: The
first betatron
was placed in operation, Urbana, IL. 1943: Astronomer
Jocelyn
Burnell, who discovered the first four pulsars, was born. 1944: The Greenwich
Royal Observatory was damaged by German
V1 "Buzz Bomb."
1952: The first
transatlantic helicopter flight began. 1954: The Boeing 707 -
the first commercial jet transport airplane built in U.S. - was tested. 1955: The
first electric power generated from atomic energy to illuminate an entire town was
obtained from the Utah Power and Light Company's station in Arco, Idaho. 1965: The
spacecraft Mariner
IV sent back the first close-up pictures of the planet Mars. 1965: Congress
passed a law requiring all cigarette packages to carry a health warning. 1975: Three
American astronauts blasted off aboard an Apollo spaceship hours after two Soviet
cosmonauts were launched aboard a "Soyuz" spacecraft for a mission that included
an Apollo-Soyuz
linkup of the two ships in orbit. 1996:
MSNBC
made its debut on cable and the Internet. 1999: China declared that it had invented
its own neutron bomb.
Note: These
historical tidbits (see daily
list) 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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