| Jan | Feb |
Mar | Apr |
May | Jun |
Jul | Aug |
Sep | Oct |
Nov | Dec |
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.
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
RF Cafe logos
. Where available, I like to use images from postage stamps from the country where
the person or event occurred.
Valentine's Day. 1876: Alexander Bell filed an application for a patent for the
telephone. 1877: American radio pioneer
Greenleaf Pickard, inventor of the crystal detector, was born. 1924:
International Business Machines (IBM) was born when Computing- Tabulating- Recording Company formally changed
its name. 1943: German mathematician
David Hilbert, of Hilbert Transform fame, died. 1950: American physicist
Karl Jansky, the "Father of Radio Astronomy" who discovered the cosmic background radiation, died. 1961:
Lawrencium (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 Earth.