• Antikythera mechanism - orrery used to predict astronomical positions and eclipses for calendrical and astrological purposes
• 1837 - Morse's electrical telegraph
• 1837 - Babbage & Lovelace create schematic for the Analytical Engine
• 1936 - Turing paper on computable numbers
• 1946 - ENIAC
• 1947 - Transistor
• 1949 - First stored program executed on EDSAC
• 1968 - Mother of all Demos