Template:Selected anniversaries/February 22
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1632: Galileo's Dialogue Concerning the Two Chief World Systems is published.
1933: Engineer and inventor Justin Capră born. He will design fuel-efficient cars, unconventional engines, aircraft, and jet backpacks.
1973: Vandal Savage uses solar eclipse to manufacture large quantity of military-grade clandestiphrine.
1987: Artist Andy Warhol dies. He was a leading figure in the Pop art movement.
1988: Mathematician and academic Mary Cartwright uses chaos theory principles to detect and prevent crimes against mathematical constants.
1995: The Corona reconnaissance satellite program, in existence from 1959 to 1972, is declassified.