. 1876: Alexander Bell filed an application for
a patent for the
. 1877: American radio pioneer
, inventor of the crystal detector, was born.
International Business Machines
(IBM) was born when Computing-
Tabulating- Recording Company formally changed its name. 1943:
, of Hilbert Transform fame, died. 1950: American
, the "Father of Radio Astronomy" who discovered
the cosmic background radiation, died. 1961:
(Lr, 103) was produced at University of CA, Berkeley.
1989: The first operational satellite of the
Global Positioning System
(Block II) was placed into orbit around
| 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.