1821: Linus Yale, inventor and manufacturer of locks, including the cylinder or pin-tumbler lock known by his name, was born. 1826: Zénobe-Théophile Gramme, inventor of the Gramme dynamo, was born. 1850: The city of Los Angeles was incorporated. 1876: Alfred Nobel obtained a patent for his dynamite coupound.1883: American inventor Peter Cooper, who invented the first steam locomotive, named "Tom Thumb," died. 1919: Sir William Crookes, who showed that cathode rays were fast-moving electrons, died. 1929: German mechanical engineer Karl Benz, who designed built the world's first practical auto powered by an internal-combustion engine, died. 1930: The American Interplanetary Society was founded. 1931: André Michelin, founder of the Michelin Tyre Company, was born. 1932: After five years of research, professor C.G. King, of the University of Pittsburgh, isolated vitamin C. 1945: U.S. forces liberated the Nazi death camp Ohrdruf in Germany. 1968: Nobel laureate Martin Luther King Jr., 39, was shot to death in Memphis, TN. 1975: Microsoft Corporation was formed by Bill Gates and Paul Allen, originally to sell BASIC interpreters for the Altair 8800. 1976: Harry Nyquist, of Nyquist-Shannon sampling theorem fame, died. 1983: The space shuttle Challenger made its maiden voyage. 1984: George Orwell's novel, 1984, begins on this date. 1994: Netscape Communications (Mosaic Communications) was founded.
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historical tidbits have been collected from various sources, mostly on the Internet.
As detailed in
this article, 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. Many 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. Images used in the logos are often from open source websites like
Wikipedia, and are specifically credited with a hyperlink back to the source where possible.
Fair Use laws permit small
samples of copyrighted content.