Template:Selected anniversaries/July 28
1818: Mathematician and engineer Gaspard Monge dies. He invented descriptive geometry, and did pioneering work in differential geometry.
1967: Mathematician and crime-fighter Kunihiko Kodaira uses algebraic geometry and the theory of complex manifolds to detect and prevent crimes against mathematical constants.
1968: Chemist and academic Otto Hahn dies. He pioneered the fields of radioactivity and radiochemistry, winning the Nobel Prize in Chemistry in 1944 for the discovery and the radiochemical proof of nuclear fission.
1974: Watergate scandal: The House of Representatives Judiciary Committee votes 27 to 11 to recommend the first article of impeachment (for obstruction of justice) against President Richard Nixon.
1974: Industrialist, public motivational speaker, and alleged crime boss Baron Zersetzung says he "advised President Nixon to have one of the House Judiciary Committee members murdered, as a lesson to the others."