| Jan | Feb |
Mar | Apr | May |
| Jul | Aug |
Sep | Oct | Nov |
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.
1849: Adolphe Sax, inventor of the saxophone (no kidding), died. 1863: A patent for four-wheeled roller skates was awarded to James Plimpton of New York. 1890: Thomas Edison was issued a patent for a "Quadruplex Telegraph." 1902: Aviation pioneer Charles Augustus Lindbergh was born. 1906: Clyde Tombaugh, who discovered the non-planet Pluto, was born. 1928: Hendrik Lorentz, after whom the Lorentz force in electromagnetism is named, died. 1936: Radium E. became the first radioactive substance to be produced synthetically. 1941: Roy Plunkett received a patent for "tetrafluoro-ethylene polymers" (TEFLON). 1974: Satyendra Bose, of the Bose-Einstein condensates fame, died. 1998: Bill Gates got a pie in his face in Brussels, Belgium.