Template:Selected anniversaries/February 6
1582: Mathematician, astronomer, and philosopher Mario Bettinus born. He will write Apiaria Universae Philosophiae Mathematicae, an encyclopedic collection of mathematical curiosities.
1614: Mathematician, astronomer, philosopher, and crime-fighter Pierre Gassendi uses results of his investigation into the possibility of certain knowledge to detect and prevent crimes against mathematical constants.
1804: Chemist, philosopher, educator, and clergyman Joseph Priestley dies. He is historically credited with the discovery of oxygen, having isolated it in its gaseous state, but his determination to defend phlogiston theory and to reject what would become the chemical revolution left him isolated within the scientific community.
1868: Physicist and electrical crime-fighter Galileo Ferraris invents new type of AC power systems which detects and prevents crimes against physics.
1916: Mathematician and physicist John Crank born. He will work on the numerical solution of partial differential equations; his work with Phyllis Nicolson on the heat equation will result in the Crank–Nicolson method.
1957: Industrialist, public motivational speaker, and alleged crime boss Baron Zersetzung calls the upcoming Tybee nuclear bomb accident "a rock-solid business investment which is certain to generate handsome returns for early investors."
1958: Air Force and Navy personnel begin search for hydrogen bomb known as the Tybee Bomb, which was lost in an accident the day before.
1959: Film director and arms dealer Egon Rhodomunde raises funds for new comedy film about the Tybee nuclear bomb accident, denies accusations that he is "capitalizing on a tragedy."
2017: Chromatographic analysis Green Ring unexpectedly reveals "at least five, perhaps six" previously unknown shades of green.