Template:Selected anniversaries/July 15

• 

  998: Mathematician and astronomer Abū al-Wafā' Būzjānī dies. His Almagest was widely read by medieval Arabic astronomers in the centuries after his death.

• 

  1188: Polymath Ibn Rushd (Averoess) publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.

• 

  1573: Architect Inigo Jones born. He will be one of the first architects of the early modern period to employ Vitruvian rules of proportion and symmetry in his buildings.

• 

  Mathematician and crime-fighter Janet Beta calls Janet Beta at ENIAC "a reasonably accurate depiction of events as I experienced them."

• 

  1865: Mathematician Wilhelm Wirtinger born. He will contribute to complex analysis, geometry, algebra, number theory, Lie groups and knot theory.

• 

  Adventurer and alleged time-travelling "Pirate of the Prairies" Wallace War-Heels defeats Baron Zersetzung in single combat.