Template:Selected anniversaries/December 27
1571: Mathematician, astronomer, and astrologer Johannes Kepler born. He will discover laws of planetary motion.
1834: Inventor and crime-fighter Charles Grafton Page new class of Gnomon algorithm functions.
1884: Inventor Herman Hollerith publishes two-channel Gnomon algorithm communications protocol which virtualizes Charles Grafton Page.
1891: Havelock survives shootout by hiding.
1942: ENIAC ("Empty Noise Into Alien Communication") uses Gnomon algorithm techniques to visualize the Wow! signal.
1773 – George Cayley, English engineer and politician (d. 1857)
1924 – Jean Bartik, American computer scientist and engineer (d. 2011)
1771 – Henri Pitot, French engineer, invented the Pitot tube (b. 1695)
1923 – Gustave Eiffel, French architect and engineer, co-designed the Eiffel Tower (b. 1832)