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.

In 1884 – A group of people interested in the new field of electricity met in New York to start the American Institute of Electrical Engineers.

In 1939 – Franklin Doolittle put experimental station W1XPW on the air, making it the first commercial FM radio station in the United States. The station later became WDRC-FM in Bloomfield, Connecticut.

In 1958 – The trademark Velcro was registered, protecting the name of the multi-purpose material that manages cables everywhere.

In 1936 – University of Washington education professor August Dvorak received a patent for his new more efficient keyboard layout. While widely recognised as superior to the QWERTY layout, the Dvorak keyboard is not widely used.

In 1939 – The first appropriation was made to begin construction of the Harvard Mark I. When completed in 1944 the Mark I became the first successful fully automatic computing machine.

In 1941 – German engineer Konrad Zuse unveiled the Z3, the first program-controlled electromechanical digital computer. It succeeded the Z1 which was the first binary digital computer.

In 1951 – Jay Forrester filed a patent application for matrix core memory. Professor Forrester led a team at MIT that developed a three-dimensional magnetic structure code-named Project Whirlwind. It was the first random access memory that was practical, reliable and relatively high-speed.

In 1979 – Daniel Bricklin and Robert Frankston gave the first demonstration of VisiCalc, the program that made the Apple II popular with businesses.

In 1997 – Deep Blue won its final match against Chess master Garry Kasparov, becoming the first computer to defeat a chess champion in match play.