In 1813 – John Snow was born to a labourer’s family in York. He would go on to develop a ‘germ theory’ that helped combat cholera, and made great advances in anesthesiology. You know something John Snow.

In 1959 – The first atomic reactor built in the US for medical research, achieved criticality at Brookhaven National Laboratory in Upton, N.Y.

In 1985 – Symbolics, a Massachusetts computer company, registered the Internet’s first domain name, symbolics.com. The domain is now owned by an investment company who uses it as a marketing device. The remains of the original Symbolics company survives in altered form at symbolics-dks.com.

In 2004 – Nicolas Jacobsen posted to a forum that he had hacked into T-Mobile’s network and stolen information from major celebrities like Paris Hilton. Jacobsen was later charged with with two counts of violating the U.S. Computer Fraud and Abuse Act.

Like Tech History? Purchase Tom Merritt’s Chronology of Tech History at Merritt’s Books site.

In 1839, Sir John Herschel presented his ‘Note on the Art of Photography, or the application of the Chemical Rays of Light to the purposes of Pictorial Representation’ to the Royal Society, likely the first use of the word ‘photography’.

In 1879 – Albert Einstein was born in Ulm in Württemberg, Germany. He would grow up to work in the Swiss patent office. And reinvent physics.

In 1994 – Linus Torvalds posted to comp.os.linux.announce that Linux kernel release 1.0. had arrived.

Like Tech History? Purchase Tom Merritt’s Chronology of Tech History at Merritt’s Books site.

In 1781 – English astronomer William Herschel observed what he initially thought was a comet but turned out to be the planet Uranus. It was the first planet to be discovered using a telescope.

In 1882 – At the Royal Institution, Eadweard J. Muybridge demonstrated his zoopraxiscope, an optical apparatus that exhibited photographs of moving animals. It is sometimes considered the first movie projector.

In 1969 – Apollo 9 returned safely to Earth after orbital testing of the first crewed Lunar Module.

Like Tech History? Purchase Tom Merritt’s Chronology of Tech History at Merritt’s Books site.