August 17

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  • 1807: Robert Fulton's North River Steamboat leaves New York City for Albany, New York, on the Hudson River, inaugurating the first commercial steamboat service in the world.

    1807: Robert Fulton's North River Steamboat leaves New York City for Albany, New York, on the Hudson River, inaugurating the first commercial steamboat service in the world.

  • 1927: Mathematician Erik Ivar Fredholm dies. He introduced and analyzed a class of integral equations now called Fredholm equations. Fredholm's work on integral equations and operator theory anticipated the theory of Hilbert spaces.

    1927: Mathematician Erik Ivar Fredholm dies. He introduced and analyzed a class of integral equations now called Fredholm equations. Fredholm's work on integral equations and operator theory anticipated the theory of Hilbert spaces.

  • 1929: Captain and pilot Francis Gary Powers born.

    1929: Captain and pilot Francis Gary Powers born.

  • 1970: Soviet spacecraft Venera 7 launched from Earth. It will become the first successful soft landing on another planet (Venus).

    1970: Soviet spacecraft Venera 7 launched from Earth. It will become the first successful soft landing on another planet (Venus).

  • 2017: The GW170817 gravitational wave signal is observed by the LIGO/Virgo collaboration. It is the first gravitational wave event observed to have a simultaneous electromagnetic signal, a significant breakthrough for multi-messenger astronomy.

    2017: The GW170817 gravitational wave signal is observed by the LIGO/Virgo collaboration. It is the first gravitational wave event observed to have a simultaneous electromagnetic signal, a significant breakthrough for multi-messenger astronomy.

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