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Day in Engineering History Archive - April 30 | ||||||
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Note: These 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.
Please submit 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.
April 30  1777: German mathematician and experimenter in magnetism Carl Friedrich Gauss was born. 1897: J.J. Thomson first announced the existence of electrons at the Royal Institution Friday Evening Discourse. 1900: Famous railway engineer Casey Jones met his end in a collision with another train crossing his track. 1945: As Russian troops approached his Berlin bunker, Adolf Hitler committed suicide along with his wife of one day, Eva Braun. 1955: Mendelevium, element 101, was announced. 1964: The FCC ruled that all TV receivers should be equipped to receive both VHF (channels 2-13) and the new UHF (channels 14-83). 1975: The Vietnam War ended when the government in Saigon announced its unconditional surrender to the Vietcong - a slaughter ensued thereafter. 1997: London's Big Ben ground to a halt for hours. 2001: California businessman Dennis Tito arrived at the international space station aboard a Russian spacecraft. | ||||||
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