1879: The first U.S. patent was issued for an
automatic telephone switching system. 1886:
Clarence Birdseye, inventor of deep freezing food and inventor
of the TV dinner, was born. 1906: Navy Rear Admiral
Grace Murray Hopper, credited with coining the term "bug" in
computers, was born. 1914: The
Edison Phonograph Works was destroyed by fire. 1921: American
electrical engineer Charles Kettering first tested
tetraethyl lead as an anti-knock additive to gasoline fuel.
1968: The first demonstration of the use of a
computer mouse was given by its inventor,
Doug Engelbart. 1993: At Princeton University in New Jersey,
scientist produced a controlled fusion reaction equivalent to 3
MW. 1993: Shuttle astronauts inserted a corrective lens in the
Hubble Space Telescope to fix its optical flaw.
| Jan | Feb |
Mar | Apr | May |
Jun | 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.