Template:On This Day (nonfiction)/May 9

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  • 1746: Mathematician and engineer Gaspard Monge born. He will invent descriptive geometry, and do pioneering work in differential geometry.

    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.

    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.

    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.

    1972: Watergate scandal (nonfiction): The United States House Committee on the Judiciary opens formal and public impeachment hearings against President Richard Nixon.

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