Template:Selected anniversaries/August 18
1634: Urbain Grandier, accused and convicted of sorcery, is burned alive in Loudun, France. He was the victim of a politically motivated persecution led by the powerful Cardinal Richelieu.
1635: Mathematician, theologian, and crime-fighter Marin Mersenne uses new theory of acoustics to detect and prevent crimes against mathematical constants.
1910: Mathematician Pál Turán born. He will work primarily in number theory, but also contribute to analysis and graph theory.
1911: Computer scientist Klara Dan von Neumann born. She will be one of the world's first computer programmers and coders, solving mathematical problems using computer code.
2016: Advances in zero-knowledge proof theory "are central to the problem of mathematical reliability," says mathematician and crime-fighter Alice Beta.
2017: Renaissance-era mechanical soldier Clock Head says it has "long since retired from guns in particular and machinery in general. Machinery other than myself, I mean."