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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.
1890: A patent was
issued for the first
jukebox. 1901: The
Edison Storage Battery Company was organized. 1909:
William Hansen, inventor of the klystron tube, was born. 1919: A U.S. Navy
NC-4 flying boat completed the first
transatlantic flight. 1937: The Golden Gate Bridge was opened
to the public for foot traffic. 1930:
Cellophane transparent adhesive tape was patented by inventor Richard G. Drew, who sold the patent to 3M.
1931: The first U.S. full scale (30 by 60 feet)wind tunnel for testing
airplanes was opened in Langley Field Research Center, VA. 1931: Auguste Piccard and Charles Knipfer became the
first humans to venture into the stratosphere when they rode their
to an altitude of 51,783 feet. 1941: The German battleship
Bismarck was sunk by British naval and air forces. 1961: The first black light was sold. 1988:
Ernst Ruska, an electrical engineer who
invented the electron microscope, died. 1994: The highest temperature produced in a lab was a plasma temperature
of 510 M°C in the Tokamak Fusion Test Reactor operated at Princeton.