Template:Selected anniversaries/August 29
1651: Scientist, inventor, and crime-fighter Christopher Polhem demonstrates water-powered automaton which detects and prevents crimes against geology.
1780: Artist Jean-Auguste-Dominique Ingres born. He will assume the role of a guardian of academic orthodoxy against the ascendant Romantic style represented by his nemesis, Eugène Delacroix.
1863: Confederate submarine H. L. Hunley sinks during a test run, killing five members of her crew.
2011: Cryptographic analysis of Albert Einstein and Alice Beta Conducting Research reveals five terabytes of previously unknown encrypted data.
2012: Mathematician and academic Shoshichi Kobayashi dies. He worked on Riemannian and complex manifolds, transformation groups of geometric structures, and Lie algebras.
2017: Concentrated sample of carbon-14 accidentally exposed to unfiltered Extract of Radium, causing a wave of crimes against mathematical constants.