In 1923 – The first patent application for the rotary-dial telephone was submitted in France by Antoine Barnay.

In 1969 – Apollo 10 launched, completing all the stages of a moon landing mission without landing on the Moon. Astronauts Eugene Cernan and Thomas Stafford descended in the Lunar Module to within 15KM of the lunar surface.

In 1998 – The United States Department of Justice and twenty U.S. states filed civil actions against Microsoft, alleging the company abused monopoly power regarding operating system and Web browser sales.

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

In 1902 – While going through objects recovered by divers near Antikythera off the coast of Greece, archaeologist Valerois Stais discovered a strange device with gear-wheels inside. The Antikythera mechanism have been puzzling investigators for over a hundred years.

In 1943 – The U.S. Army and the University of Pennsylvania signed a contract to develop ENIAC. It was planned to use vacuum tubes and calculate ballistic firing tables.

In 1954 – The first shovel load of earth was dug on the Meyrin site of the first CERN Laboratory building in Geneva.

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

In 1888 – Emile Berliner demonstrated his flat disc recording and reproduction in a lecture he gave to the Franklin Institute in Philadelphia, which was printed in the institute’s Journal (vol. 125, no. 60).

In 1946 – At the meeting of the Institute of Radio Engineers (IRE, now IEEE) in San Francisco, Jack Mullin demonstrated the world’s first professional-quality tape recorded in the US.

In 1960 – While working at the Hughes Research Laboratories of the Hughes Aircraft company in Malibu, California, physicist Theodore Maiman used an artificial ruby to create the first laser.

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

In 1905 – 110 acres of land in southern Nevada were auctioned off, founding a new city. They would become downtown Las Vegas which would grow to become the host for major tech events like Comdex, CES and more.

In 1987 – The Soviet Union launched the Polyus prototype orbital weapons platform from Baikonur Cosmodrome Site 250 in Kazakhstan. It failed to reach orbit. Polyus was designed to destroy SDI satellites with a megawatt carbon-dioxide laser.

In 2004 – Using a computer with a 2.4-GHz Pentium 4 processor, Josh Findley discovered the 41st Mersenne prime, 224,036,583 – 1. Mersenne primes have a close connection to perfect numbers, which are equal to the sum of their proper divisors.

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