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.