Template:Selected anniversaries/December 19

• 

  1601: Mathematician Robert Fludd uses Gnomon algorithm to fight crimes against mathematical constants.

• 

  1960: Tony Hoare invents quicksort routine which reduces the effects of crimes against mathematical constants.

• 

  1964: Saccharomyces cerevisiae spontaneously generates new class of crimes against mathematical constants.

• 

  1966: Bomb recovered from Palomera generates flock of carnivorous dirigibles.

• 

  2009: John Hoyland's stolen masterpiece Lebanon recovered using Tony Hoare's quicksort routine.