In 1890 – Thomas Edison received a patent for the first quadruplex telegraph, which could send two messages simultaneously in each direction. One message consisted of an electric signal of varying strength, while the second was a signal of varying polarity.

In 1998 – Noël Godin, a Belgian who made a practice of pie-ing rich and famous people struck a pie against the face of Bill Gates. Gates did not press charges.

In 2004 – Mark Zuckerberg and a few other guys at Harvard launched TheFacebook so Harvard students can look up and hook up with each other. They would eventually expand the service to the world. And drop the “the”.

In 2014 – Microsoft named 22-year employee Satya Nadella its new CEO replacing Steve Ballmer. Bill Gates stepped down as Chairman of the Board at the same time and was replaced by John Thompson.

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In 1879 – Joseph Wilson Swan demonstrated the first practically usable incandescent filament electric light bulb to 700 people at the Literary and Philosophical Society of Newcastle upon Tyne.

In 1966 – The Soviet Luna 9 spacecraft landed safely on the moon in the Ocean of Storms. It was the first lunar soft landing and first transmission of photographic data from the Moon to Earth.

In 2011 – The Number Resource Organization announced that the free pool of available IPv4 addresses was fully depleted. The IANA allocated the last of the blocks equally between the five Regional Internet Registries.

In 2014 – Facebook launched its ‘Paper’ app for iOS in the US. Paper provided a more magazine like format for viewing Facebook content.

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In 1925 – Doug Engelbart was born in Portland, Oregon. He is most famous for his work on the first computer Mouse, but also worked on many other innovations involving graphical user interfaces, hypertext and networks.

In 1975 – Hungarian Interior Design instructor Erno Rubik filed for a patent on his twisty toy cubes. The patent worked out for him. Erno Rubik became the first self-made millionaire from the Communist bloc.

In 2007 – Microsoft released Windows Vista for home use. Though not as many homes would end up using it as other versions of Windows.

In 2013 – RIM announced it was changing its name to BlackBerry and also unveiled BlackBerry OS 10 and the new Z10 and Q10 smartphones.

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In 1886 – Karl Benz submitted a patent for his Benz Patent Motorwagen, a three-wheeler vehicle with a one-cylinder four-stroke gasoline engine. The world’s first patent for a practical internal combustion engine powered automobile. Previous automobiles had been steam-powered.

In 1895 – Charles Proteus Steinmetz received a patent for a “system of distribution by alternating currents.” His engineering work made a widespread power grid practical.

In 1901 – In Brooklyn, Allen B. DuMont was born. He would go on to perfect the cathode ray tube, sell the first practical commercial television and found the first national US TV network to fail. The DuMont network was eventually sold to Fox Television Stations.

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In 1878 – The first commercial telephone exchange in the US was installed at New Haven, Connecticut, and served 21 subscribers connected by a single strand of iron wire. Only two conversations could be handled simultaneously and six connections had to be made for each call.

In 1960 – The Communications Moon Relay System was inaugurated publicly when a facsimile picture of the USS Hancock was transmitted wirelessly by radio wave to Washington DC, by being bounced off the moon.

In 1986 – The Space Shuttle Challenger experienced an O-ring failure in the right solid rocket booster during flight. 73 seconds after liftoff a catastrophic explosion claimed crew and vehicle.

In 2001 – The Baltimore Ravens and the New York Giants faced off in Tampa Bay, Florida, for Super Bowl XXXV, and facial-recognition surveillance cameras pointed at tens of thousands of fans entering the game. It found 12 false positives.

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