In 1910 – Georges Claude, the first person to apply an electrical discharge to a sealed tube of neon gas, displayed the first neon lamp to the public at the Paris Motor Show.

In 1967 – The Concorde, a joint British-French venture and the world’s first supersonic airliner, was unveiled in Toulouse, France. Bigger news than the speed of the jet was the announcement that it was finally agreed that the British and French planes would both be spelled with an “e” at the end.

In 1972 – Apollo 17 became the sixth and last Apollo mission to land on the Moon.

In 1998 – The Mars Climate Orbiter was successfully launched on a Delta II rocket from Cape Canaveral Air Station in Florida. However, the probe disappeared on September 23rd before reaching Mars, apparently destroyed because scientists had failed to convert English measures to metric values.

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In 1815 – Ada Byron was born in London England to the poet Lord Byron and Anne Isabelle Milbanke. She would later marry William King and take on his title as Lady Lovelace. But she is best remembered as Charles Babbage’s friend, and writer of the first program for his Difference Engine. She is considered by many to be the first computer programmer.

In 1942 – Germany conducted the first powered test flight of a V-1 Rocket, launched from beneath an Fw-200.

In 1944 – Paul Otlet died. His theories presciently described a global interlinked “web” of documents, presaging the World Wide Web almost 50 years before its invention.

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In 1906 – Grace Hopper was born. She would rise to the rank of Rear Admiral but be best remembered for popularizing the term “debugging” for hunting down computer errors. She conceptualized the idea of machine-independent programming languages, which led to the development of COBOL.

In 1968 – Computer scientist Douglas Engelbart gave a legendary product demonstration of MLS that would become known as “the mother of all demos.” Among other things it introduced the computer mouse, video conferencing, teleconferencing, hypertext, word processing, hypermedia, object addressing and dynamic file linking, bootstrapping, and a collaborative real-time editor.

In 1987 – Microsoft released Windows 2.0 which among other improvements could run the first Windows versions of Microsoft Word and Microsoft Excel.

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In 1931 – U.S. Patent No. 1,835,031 for a “concentric conducting system” was awarded to Lloyd Espenschied of Kew Gardens, New York, and Herman A. Affel of Ridgewood, New Jersey, and assigned to the American Telephone & Telegraph Co. Coaxial Cable had been patented.

In 1993 – The U.S. secretary of defense declared the GPS system a dual use system that had Initial Operation Capability and opened the Standard Positioning System to civilians, which gave accuracy of 9 meters horizontally.

In 2010 – With the second launch of the SpaceX Dragon, SpaceX became the first privately held company to successfully launch, orbit and recover a spacecraft.

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