Day in Engineering History Archive - May 15
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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.
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.
Peace Officers Memorial Day. 1618:
Johannes Kepler discovered
his harmonics law. 1836: Francis Baily observed "Baily's Beads"
during an annular solar eclipse. 1863:
Frank Hornby, English toy manufacturer who patented the
Meccano construction set, was born. 1859: Nobel laureate
Pierre Curie, who along with his wife, Marie, discovered spontaneous radioactivity in radium and polonium, was
Ellen Church became the
first airline stewardess. 1941: Britain's first jet-propelled aircraft, the
Gloster-Whittle E.28/39, made its first flight. 1948:
Israel was attacked by Transjordan (now Jordan), Egypt, Syria, Iraq and Lebanon only hours after declaring
its independence. 1957: Great Britain became the 3rd nation to detonate a
nuclear bomb. 1970: President Nixon appointed America's first two female generals: Colonels Elizabeth
Hoisington and Anna Mae Mays. 1982:
Merle Tuve who first used pulsed radio waves
to explore the ionosphere, died. 1992:
Robert Morris Page, inventor of pulse radar, died. 2008: Physics Nobel laureate
Willis Lamb, who determined fine structure of the hydrogen spectrum, died.