Day in Engineering History Archive - September 11
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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.
11, 2001: 19 members of the extremist Muslim terrorist group al-Qaeda, used four hijacked aircraft to crash into
the twin World Trade Center buildings, the Pentagon, and a field in Shanksville,
The final death toll includes nearly 3000 souls on the planes, in the ground targets, and rescue personnel. Many countries
have joined the fight against terrorism, many appease out of cowardice, and many actively abet the enemy. We build
up, they tear down. We spread freedom, they spread tyranny.
heal the sick, they kill and maim. Every citizen of the world pays the price in lost opportunity due to resources
expended fighting the terrorists. We shall defeat this enemy both from without and from within - no apologies.
Zeiss, of precision optics fame, was born. 1845:
Jean-Maurice-Émile Baudot, who
created a telegraphic code that eventually replaced Morse Code, and after whom the term "baud" is named, was born.
1884: Harvey Fletcher, who first demonstrated
stereophonic sound, was born. 1937: Astronaut
Robert Crippen, who piloted the
first Space Shuttle, Columbia, was born. 1946: The first mobile long-distance car-to-car telephone conversation took
place between Houston, TX, and St. Louis, MI. 1997: The
Mars Global Surveyor went into orbit