Template:On This Day (nonfiction)/May 9
From Gnomon Chronicles
1746: Mathematician and engineer Gaspard Monge born. He will invent descriptive geometry, and do pioneering work in differential geometry.
1941: The German submarine U-110 is captured by the Royal Navy. On board is the latest Enigma machine which Allied cryptographers later use to break coded German messages.
1963: Project West Ford launches, successfully deploying a ring of 480,000,000 copper needles in orbit, forming an artificial ionospheric radio communication system.
1972: Watergate scandal (nonfiction): The United States House Committee on the Judiciary opens formal and public impeachment hearings against President Richard Nixon.
