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.

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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.

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In 1973 – The United States launched Skylab, the country’s first space station as part of the Apollo space program.

In 1984 – According to his Facebook profile Mark Zuckerberg was born in Dobbs Ferry, New York. He would grow up to found Facebook.

In 1992 – Texas Instruments decided to take on the dominance of Intel, announcing its own 486 microprocessor chip. Cyrix corp. designed the chip for TI, but it proved unsuccessful in weakening Intel’s dominance.

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