1854: German physicist Georg Simon Ohm, in honor of whom the unit of resistance is named, died. 1885: Louis Pasteur successfully tested his anti-rabies vaccine. 1905: For the first time fingerprints were exchanged between international law enforcement. 1920: A radio compass was used for first time for aircraft navigation to fly from Hampton Roads directly to the battleship Ohio. 1923: The Union of Soviet Socialist Republics (USSR) was formed. 1928: The first all-talking motion picture was shown in NY. 1931: Edward Acheson, inventor of abrasive carborundum, the 2nd-hardest substance after diamond, died. 1932: The postage rate for first class mail in the U.S. went from 2¢ to 3¢. 1948: Frieda Barkin Hennock became the first woman to serve as the commissioner of the FCC. 1958: Alaska became the 49th state. 1986: National Air Traffic Control Day was first observed. 1997: The Mars Pathfinder deployed the remote-controlled Sojourner to explore the surface of Mars. 1998: Singing cowboy Roy Rogers died. 2000: The German parliament offered a formal apology to Nazi-era slave and forced laborers as it passed a bill setting up a $5B compensation fund.
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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.