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Deaths on September 25

Johann Heinrich Lambert
1777Sep, 25

Johann Heinrich Lambert

Johann Heinrich Lambert, Swiss mathematician, physicist, and astronomer (b. 1728)
Johann Heinrich Lambert (German: [ˈlambɛʁt], Jean-Henri Lambert in French; 26 or 28 August 1728 – 25 September 1777) was a Swiss-French polymath who made important contributions to the subjects of mathematics, physics (particularly optics), philosophy, astronomy and map projections.

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Events on 1777

  • 8Mar

    American Revolutionary War

    Regiments from Ansbach and Bayreuth, sent to support Great Britain in the American Revolutionary War, mutiny in the town of Ochsenfurt.
  • 13Jun

    Gilbert du Motier, Marquis de Lafayette

    American Revolutionary War: Gilbert du Motier, Marquis de Lafayette lands near Charleston, South Carolina, in order to help the Continental Congress to train its army.
  • 31Jul

    Gilbert du Motier, Marquis de Lafayette

    The U.S. Second Continental Congress passes a resolution that the services of Gilbert du Motier "be accepted, and that, in consideration of his zeal, illustrious family and connexions, he have the rank and commission of major-general of the United States."
  • 19Sep

    First Battle of Saratoga

    American Revolutionary War: British forces win a tactically expensive victory over the Continental Army in the First Battle of Saratoga.
  • 27Sep

    Lancaster, Pennsylvania

    American Revolutionary War: Lancaster, Pennsylvania becomes the capital of the United States, for one day after the Second Continental Congress evacuates Philadelphia to avoid invading British forces.