June 1

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  • 1633: Astronomer and academic Geminiano Montanari born. He will make the observation that Algol in the constellation of Perseus varies in brightness.

    1633: Astronomer and academic Geminiano Montanari born. He will make the observation that Algol in the constellation of Perseus varies in brightness.

  • 1849: Territorial Governor Alexander Ramsey declared the Territory of Minnesota officially established.

    1849: Territorial Governor Alexander Ramsey declared the Territory of Minnesota officially established.

  • 1867: Mathematician Karl Georg Christian von Staudt dies. He used synthetic geometry to provide a foundation for arithmetic.

    1867: Mathematician Karl Georg Christian von Staudt dies. He used synthetic geometry to provide a foundation for arithmetic.

  • 1895: Havelock and Herman Hollerith announce plan to collaborate on new data exchange protocol.

    1895: Havelock and Herman Hollerith announce plan to collaborate on new data exchange protocol.

  • 1890: The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.

    1890: The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.

  • 1944: First successful run of the improved Colossus Mark 2 computer], just in time for the Normandy landings on D-Day. Colossus Mark 2 used shift registers to quintuple the processing speed.

    1944: First successful run of the improved Colossus Mark 2 computer], just in time for the Normandy landings on D-Day. Colossus Mark 2 used shift registers to quintuple the processing speed.

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