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Wilhelm Schickard designs the first known mechanical calculator, the "Calculating Clock" to multiply large numbers.
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Samuel Morland builds a mechanical calculator that will add and subtract.
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Leibniz introduces binary mathmatics.
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The first typewriter is patented by William Austin Burt. It's slow and clumsy, but it's the first writing machine.
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Samuel Morse demonstrates the principle of the telegraph.
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Morse sends the first telegraphic message from Washington to Baltimore.
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The first Atlantic cable is laid between the US and Europe. It only works for a few days before breaking, but by 1866 a sucessful cable is laid and will carry international communications for over 100 years.
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Alexander Graham Bell invents the telephone.
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IBM introduces the electric typewriter.
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AT&T inaugrates the first microwave relay statoion for long distance telephone calls. This eliminates the need for long-distance trunk lines.
