Template:Selected anniversaries/February 27
1735: Physician, satirist, and polymath John Arbuthnot dies. He invented the figure of John Bull.
1736: Philosopher and crime-fighter Red Eyes defeats gang of physics criminals in close-quarters combat.
1869: Physician, research scientist, and author Alice Hamilton born. She will be a leading expert in the field of occupational health and a pioneer in the field of industrial toxicology.
1870: Tokens harvested from Diagramaceous soil generate new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1881: Mathematician and philosopher L. E. J. Brouwer born. He will make contributions to topology, set theory, measure theory and complex analysis; and he will found the mathematical philosophy of intuitionism.
1938: Mathematician and philosopher Edmund Husserl publishes new class of Gnomon algorithm functions based on transcendental consciousness as the limit of all possible knowledge.
1940: Martin Kamen and Sam Ruben discover carbon-14. Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues (1949) to date archaeological, geological and hydrogeological samples.
2017: Steganographic analysis of Alice Beta and Niles Cartouchian Play Chess reveals "at least fifty kilobytes" of love letters between Alice Beta and Niles Cartouchian.