In 1452 – Leonardo da Vinci, one of the greatest artist, inventor and engineer in history, was born near the Tuscan town of Vinci.

In 1892 – The Edison General Electric Company and the Thomson-Houston Company merge to form the General Electric Company, manufacturer of dynamos and electric lights.

In 1977 – The first West Coast Computer Faire takes place in Palo Alto. The star of the show would turn out to be the Apple II. The computer featured a built-in keyboard, 16 kilobytes of memory, BASIC, and eight expansion slots all for $1,300.

In 1894 – Alfred Tate, a former Edison associate and the Holland Brothers, opened a public Kinetoscope in New York City at 1155 Broadway, on the corner of 27th Street—the first commercial motion picture house.

In 1956 – Ampex demonstrated the VRX-1000 videotape recorder at the National Association of Radio and Television Broadcasters Convention in Chicago. It was the first successful commerical videotape recorder.

In 1996 – Jennifer Kaye Ringley hooked up a camera in her dorm room at Dickinson College and set it to upload a picture every three minutes as an experiment. The JenniCam would eventually reach 4 million hits per day at its peak.

In 1960 – The United States launched Navy Transit 1-B. It demonstrated the first engine restart in space and more famously the feasiblity of using satellites as navigational aids, proving systems like GPS would work.

In 1970 – The crew of Apollo 13 heard a sharp bang and vibration followed by a warning light. Jack Swigert radioed back the famous words “Houston, we’ve had a problem here.”

In 1974 – Western Union, NASA and Hughes Aircraft, teamed up to launch the United States’ first commercial geosynchronous communications satellite, Westar 1. The system relayed data, voice, video, and fax transmissions to the continental U.S., Hawaii, Puerto Rico, Alaska, and the Virgin islands.

In 1961 – Yuri Gagarin of the USSR made a 108-minute orbital flight in the Vostok 1 spacecraft, becoming the first human in space.

In 1981 – Commander John Young and Pilot Robert Crippen crewed the first launch of a Space Shuttle, The Columbia on the STS-1 mission. During the mission they used an HP-41 calculator to calculate the exact angle at which they needed to re-enter the Earth’s atmosphere.

In 1994 – Immigration Lawyers Laurence Canter and Martha Siegel intentionally posted to more than 6,000 Usenet discussion groups about their green card services. It is considered the first occurrence of commercial spam.

In 1936 – German computer pioneer Konrad Zuse filed for a patent for the automatic execution of calculations, and described combination memory, an early form of programmable memory. Zuse was working on what would become German’s first computer, the Z-1.

In 1957 – The Ryan X-13 Vertijet took off from Edwards Air Force base flew for a few minutes and landed. The significant part of the short flight was that it took off and landed vertically, becoming the first jet capable of doing so.

In 1970 – The ill-fated Apollo 13 launched from Kennedy Space Center. The second-stage inboard engine shut down early but orbital insertion was achieved. However the problems were not over.

1710 – The Statute of Anne entered into force in Great Britain. The statute ended the practice of copyright being enforced by the Stationer’s Guild under the licensing act and for the first time granted copyright to authors.

In 1943 – Researchers at the University of Pennsylvania began work on the Electronic Numerical Integrator and Computer known as ENIAC. The machine that was synonymous for years with computer, could perform 5,000 additions per second.

In 2003 – British Airways and Air France announced the retirement of all Concorde supersonic jets. After a quarter century of supersonic speeds, passengers in the 21st century would go slower than those who flew in the late 20th century.

In 1860 – Parisian typesetter and inventor Édouard-Léon Scott de Martinville’s uses his Phonoautogram to record sound onto paper but has no way to pay it back.

In 1919 – Presper Eckert was born in Philadelphia. Eckert became famous for his work, with John Mauchly on the ENIAC project.

In 1959 – NASA publicly announced the selection of the United States’ first seven astronauts, who quickly became known as the “Mercury Seven”.

In 1953 – The major studios were inspired by the 1952 3D hit Bwana Devil. Columbia beat Warner Brothers’ House of Wax to the theatre to make Man in the Dark the first 3D motion picture produced and released by a major studio.

In 1959 – The Department of Defense called a meeting at the University of Pennsylvania to define the objectives for a new Common Business Language. Captain Grace Hopper led the group that kicked off COBOL.

1991 – A team moved from Sun Microsystems to work in secret on its “Oak” development project, which was later re-named “Java.”

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.