In 1944 – IBM officially presented the Mark I computer, also known as the IBM Automatic Sequence Controlled Calculator, or ASCC, to Harvard. The computer produced reliable results and ran continuously.

In 1955 – Tokyo Telecommunications Engineering released Japan’s first commercially produced transistor radio, the TR-55, sold under the company’s new name, Sony.

In 1966 – Jimmy Wales was born in Huntsville, Alabama. He grew up to co-found Wikipedia.

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In 1943 – Jon Postel was born in Altadena, California. He created the Internet’s address system, and administered it for 30 years as director of the Internet Assigned Numbers Authority (IANA).

In 1963 – Skilled hacker, future government prisoner, and eventual famous security expert Kevin Mitnick was born in Van Nuys, California.

In 1991 – Tim Berners-Lee posted a short summary of his WorldWideWeb Project to alt.hypertext and pointed to a simple browser and a Web page describing the project. Thus the WWW became a publicly available service on the Internet.

In 1997 – At MacWorld in Boston, Microsoft announced it would invest $150 million in Apple, and continue to make Microsoft Office for Mac for at least five years. The two companies also ended their lawsuit.

In 2014 – The European Space Agency’s Rosetta probe became the first spacecraft to maneuver alongside a speeding body as it caught up with comet 67P/Churyumov-Gerasimenko.

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In 1858 – The west end of the first transatlantic cable was completed when the ship Niagara anchored at the Newfoundland coast having laid 1,016 miles of telegraph cable.

In 1914 – The American Traffic Signal Co. installed their first electric traffic light at East 105th street and Euclid Avenue in Cleveland, Ohio.

In 1921 – The first radio broadcast of a baseball game happened on KDKA from Pittsburgh’s Forbes Field. Harold W. Arlin announced the game between the Pittsburgh Pirates and the Philadelphia Phillies.

In 2012 – The Mars Science Laboratory, known as the Curiosity Rover successfully landed on the surface of Mars in one of the most complicated automated landings ever, involving a sky crane.

In 2014 – Justin.TV announced its closure. It had started as a lifecasting channel for Justin Kan and spawned the massively successful Twitch video game streaming channel.

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In 1921 – The first facsimile was transmitted by radio across the Atlantic Ocean using the Belinograph invented by Edouard Belin. A message written by C. V. Van Anda, managing editor of The New York Times and addressed to the Matin in Paris, was sent in seven minutes.

In 1988 – A computer halted an engine test in preparation for the launch of the space shuttle Discovery. The flight would be the first since the Challenger explosion in 1986.

In 2007 – NASA’s Phoenix spaceship launched on its mission to survey the Martian Arctic in search of water, geological discoveries, and evidence of conditions for biological life.

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