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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.
, who was the first to fly across the English Channel (in a balloon), was born.
1776: The amended
Declaration of Independence
, prepared by Thomas Jefferson, was approved and signed by John Hancock, President
of the Continental Congress in America. 1817: Construction started on the
. 1868: Astronomer
Henrietta Swan Leavitt
, who discovered the relationship between period and luminosity in Cepheid variables,
was born. 1883: The first 3-wire central-station incandescent-lighting plant, built by the
Edison Electric Illuminating Co.
started operations in Sunbury, PA. 1883:
, engineer famous for his drawings of Mouse Trap-like contraptions, was born. 1903: President
Theodore Roosevelt sent the
first official message
over the new cable across the Pacific Ocean between Honolulu, Guam, Midway and Manila.
, who invented cloud seeding for making rain, was born. 1922:
Lothar von Richthofen
, WWI flying
ace and brother of the Red Baron, died. 1933:
patent for the X-ray tube. 1934: Chemist
Marie Marja Sklodowska Curie
, discoverer of radium and polonium, died. 1960: The
50-star U.S. flag
debut in Philadelphia, PA. 1976: Israeli commandos rescued the
by Arab terrorists. 1997: The
, an unmanned space vehicle, landed on the Martian surface.