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 June 22
 1633:
Galileo
Galilei was forced by the Inquisition to "abjure, curse, and detest" his Copernican
heliocentric views. 1675: The
Royal Greenwich Observatory in England was created via Royal Warrant
by Charles II. 1925: Felix Klein, mathematician and creator of the single-surfaced
Klein bottle, died. 1941: Germany invaded Stalin's Soviet Union during
World
War II. 1946: Jet airplanes were used to transport mail for the first time.
1954: Karl Compton, who directed the development of radar during WWII, died. 1973:
The first manned Skylab (Skylab 2) crew of astronauts splashed down safely after a then
record 28 days in space. 1978: James Christy and Robert Harrington discovered
Charon,
the only known moon of Pluto. 1983: For the first time a satellite was retrieved
from orbit by the Space Shuttle.
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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