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Gottfried Wilhelm von Leibniz invents the Leibniz Machine.
Leibniz changed the world of mechanical calculating. Before this, only addition and subtraction could be done mechanically. -
Charles Babbage begins the Difference Engine.
This wasn't built until 1991. -
Charles Babbage designs the Analytical Engine.
It wasn't invented until 1991, however. -
George Boole developes Boolean Algebra.
This was published in the pamphlet Mathematical Analysis of Logic. -
Charles Xavier Thomas invents the Mechanical Calculator.
This calculator was sturdy enough to be used in offices and complex enough to do hard equations like square roots. -
The first program was created.
Ada Lovelace finished translating an Italian article about Charles Babbage's Analytical Engine and added her own notes. Those notes contained the first programming code to be used with the Analytical Engine (which was never made). -
Chester Carlson invents the Xerox Machine.
Carlson invented something that could replicate documents, proving to be very useful in our world today. -
Jack Kilby was said to have invented the integrated circuit.
The integrated circuit actually came from four people: Jack Kilby, Kurt Lehovec, Robert Noyce and Jean Hoerni. -
Douglas Engelbart invents the first mouse.
Bill English makes a mouse of wood from Engelbart's sketch. -
MS-DOS was released.
MS-DOS (Microsoft Disk Operating System) was an operating system used for 20 years from the 1980s to the 1990s. It is the platform of Microsoft's operating systems today. -
Tim Berners-Lee invents the WWW.
(WWW meaning World Wide Web.) Berners-Lee made the first web client-server program.
