Template:Selected anniversaries/December 27
1571: Mathematician, astronomer, and astrologer Johannes Kepler born. He will discover laws of planetary motion.
1643: Mathematician, physicist, and crime-fighter Francesco Maria Grimaldi discovers a case where the distance of fall is not proportional to the square of the time taken, leading to discovery and deletion of crimes against mathematical constants.
1773: Engineer George Cayley born. He will do pioneering work in aeronautics, investigating and codifying the dynamics of flight.
1923: Engineer Gustave Eiffel dies. He designed the world-famous Eiffel Tower.
1924: Jean Bartik born. She will be one of the original programmers for the ENIAC computer.
1938: Mathematician and APTO consulting philosopher Edmund Husserl publishes his theory of transcendental consciousness as the limit of all possible Gnomon algorithm functions.
1990: Mathematician and APTO field engineer Anne Penfold Street discovers new class of Gnomon algorithm functions which use sum-free sets to detect and prevent crimes against mathematical constants.
2016: Taffy Bomb voted Picture of the Day by the citizens of New Minneapolis, Canada.