In 1927 – The Bell System sent live TV images of Herbert Hoover, then the Secretary of Commerce, over telephone lines from Washington, D.C. to an auditorium in Manhattan. It was the first public demonstration in the U.S. of long-distance television transmission.

In 1964 – IBM unveiled the System/360 line of mainframe computers, its most successful computer system. Called the “360” because it was meant to address all possible sizes and types of customer with one unified software-compatible architecture.

In 1969 – The first Request For Comment, RFC 1 put together by Steve Crocker was distributed on the newly operational ARPANET. RFCs describe methods, behaviors, research, or innovations applicable to the working of the Internet.

In 1965 – Hughes Aircraft’s Early Bird launched into orbit. It was the first communications satellite to be placed in synchronous orbit and successfully demonstrated the concept of synchronous satellites for commercial communications.

In 1973 – NASA launched the Pioneer 11 spacecraft, the second mission to investigate Jupiter and the outer solar system and the first to explore the planet Saturn and its main rings.

In 1992 – Microsoft released Windows 3.1. It sold for $149 and added support for sound cards, MIDI, and CD Audio, Super VGA (800 x 600) monitors, and support for 9600 bps modems.

In 1911 – Cuthbert Hurd was born in Estherville, Iowa. He would grow up to work at IBM where he quietly persuaded the company that a market for scientific computers existed. He sold 10 of the very first IBM 701s and managed the team that invented FORTRAN.

In 1951 – Dean Kamen was born in Rockville Centre, New York. He grew up to found DEKA Research in 1982 which developed a portable dialysis machine, a vascular stent, and the iBOT — a motorized wheelchair that climbs stairs. Oh and the Segway.

In 1998 – Long before texting or cell phones while driving were considered a danger, a driver in Marseilles, France was distracted by her Tamagotchi virtual pet. She ran into a group of cyclists killing one and injuring one other.

In 1954 – Daniel Kottke was born in Bronxville, New York. Who would go on to befriend Steve Jobs at Reed College, assemble the first Apple Compyters with Steve Wozniak and work on the original Macintosh team.

In 1975 – Bill Gates and Paul Allen formed a partnership in Albuquerque New Mexico. The venture was later named Micro-soft.

In 1994 – Marc Andreessen and Jim Clark found Mosaic Communications Corp, which they later renamed Netscape Communications Corp. Andreesen developed the Mosaic browser while at the National Center for Supercomputing Applications (NCSA) at the University of Illinois.

In 1966 – Luna 10 became the first spacecraft to enter lunar orbit. It completed its first orbit in two hours 58 minutes.

1973 – Martin Cooper, general manager of Motorola’s Communications Systems Division made the first handheld portable phone call from a New York City street to Joel S. Engel at rival Bell Labs. Presumably he gloated at least a little.

In 1981 – Adam Osborne unveiled the Osborne 1 at the West Coast Computer Faire in San Francisco. It cost $1,795 at retail.

In 2000 – U.S. District Judge Thomas Penfield Jackson ruled that Microsoft violated the nation’s antitrust laws by using its monopoly power in personal computer operating systems to stifle competition.

In 1973 – Lexis Launched Computerized Legal Searching. It was limited to searching the full text of cases in Ohio and New York.

In 1978 – The patent expired on Swiss inventor George de Mestral’s invention of a hook and loop fastener he called Velcro. Soon children everywhere no longer had to learn to tie shoes quite so early in life.

In 1980 – Microsoft Corporation announced their first hardware product the Z80 SoftCard for Apple. It was a microprocessor on a printed circuit board that plugged into the Apple II and sold for $349.00.

In 1976 – Steve Jobs, Steve Wozniak, and Ronald Wayne decided to change their garage project into a company and formed Apple Computer. It would be incorporated the following January.

In 1997 – Dave Winer changed how he displayed ‘Scripting News’ so that it always showed the last ten days worth of posts. In other words the way every blog does it now. Whether this makes it the ‘first blog’ or not it was extremely influential and is definitely one of the oldest blogs out there, pre-dating the term blog, of course.

In 2004 – In one of the best April Fool’s jokes ever, Google launched a real product. Weren’t expecting that, were you Internet? Gmail launched in invite-only mode, making a Gmail account temporarily prestigious in the geek world.

In 1939 – Harvard and IBM signed an agreement to build the Mark I, also known as the IBM Automatic Sequence Controlled Calculator (ASCC). It weighed 5 tons and read data from paper tape and punch cards.

In 1993 – Richard Depew accidentally posted 200 identical messages to news.admin.policy while testing some auto-moderation software. It became the first USENET postings to be referred to as spam.

In 1998 – After three years of development and much wrangling with the Warcraft engine it was originally built on, Blizzard released the iconic game Starcraft.

In 240 B.C.E. – Chinese astronomers observed a new broom-shaped “star” in the sky. It was the first confirmed sighting of Halley’s Comet.

In 1950 – Bell Telephone Laboratories announced the invention of a new kind of electric eye called the phototransistor. Dr. John Northrup Shive invented the transistor, which operated by light rather than electricity.

1951 – The Census UNIVAC System was accepted and subsequently devoted almost exclusively to tabulating results of the 1950 Census of Population and Housing. It was the first UNIVAC and was capable of completing 1,905 operations per second, which it stored on magnetic tape.

In 1941 – 80% of US AM radio frequencies were reassigned to new channels as part of the North American Radio Broadcasting Agreement.

In 1945 – German soldiers blew the launch tracks for the V-1 rocket site near Letelle, Netherlands, ending the rocket attacks.

In 1974 – NASA’s Mariner 10 became the first spaceprobe to cross the orbit of Mercury about 704 km from the surface.