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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.
1833: Swedish chemist
Alfred Nobel, who invented dynamite and who began
the Nobel Peace Prize system, was born. 1879: Thomas Edison demonstrated an
electric light bulb
that lasted for 13.5 hours. 1884: Thomas Edison received a patent for his "electrical indicator" that resembles a
Samuel Alderson, inventor of the crash test dummy, was born. 1915: The first trans-Atlantic
radiotelephone call was placed between Arlington, VA, and
Paris, France. 1923: The first
Carl Zeiss projector planetarium opened at the Deutsches Museum in Munich, Germany. 1925: The
first U.S.-made photocell was demonstrated by Westinghouse. 1959: Dr. Wernher Von Braun began work at NASA after a
transfer from ABMA. 1960: The first British nuclear submarine,
HMS Dreadnought, was launched.
1967: Danish astronomer
Ejnar Hertzsprung, who
co-developed the Hertzsprung-Russell diagram relating star temperatures with brightness, died. 1976: The United
States made a clean sweep of the
Nobel Prizes, winning or sharing awards in chemistry, physics, medicine, economics, and
literature (no peace prize awarded).