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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.
fire extinguisher was patented by Alanson Crane. 1865:
Heinrich Lenz, Russian physicist who framed Lenz's Law to describe the direction of flow of electric current
generated by a wire moving through a magnetic field, died. 1868: Scottish physicist
Sir David Brewster, who developed Brewster's Law, which relates the refractive index of a material to its
polarizing angle, died. 1879: The electric arc light was used for the first time. 1883:
Edith Clarke, the first
woman to earn a degree in electrical engineering at MIT, was born. 1902: Nobel Prize winner
Walter Brattain, co-inventor of the transistor, was born. 1923:
Wilhelm Röntgen, discoverer of x-rays, died. 1933: The
singing telegram was introduced by the Postal Telegraph Company of New York City. 1961: The
Niagara Falls hydroelectric project began producing power amid a public ceremony. 1996: IBM's
supercomputer defeated Garry Kasparov for the first time.