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Mar | Apr | May |
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Note: These historical tidbits have been collected from various sources, mostly on the Internet. As detailed in
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.
significant historical events and
dates for inclusion in these lists. I will be glad to include your name and birthday. Please do not submit your death
date ;-) A couple 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.
Lord Kelvin, after whom the absolute temperature scale is named, was born. 1898: German aircraft engineer
was born. 1902:
William Lear, designer of the Lear Jet, was born. 1910:
Roy Plunkett, inventor of Teflon, was born. 1911:
Sir Frederic Williams,
co-inventor of the CRT (the "Williams-Kilburn tube"), was born. 1948: The
Berlin Airlift began as
the U.S., Britain and France started ferrying supplies to the isolated western sector of Berlin. 1974: A package
of Wrigley's chewing gum with a bar code printed on it passed over a scanner in Troy, OH, becoming the first
product ever logged under the new
computerized recognition system. 1976: The
in Toronto, Canada, was opened as the world's tallest free-standing structure, at a height of 1815 feet 5 inches.
2000: Rival scientific teams completed the first rough map of the human genetic code after a ten-year race.