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  1. Há 1 dia · Asie centrale, recherches sur les chaînes des montagnes et la climotologie comparée. 3 vols. 1843; Le voyage aux régions equinoxiales du Nouveau Continent, fait en 1799–1804, par Alexandre de Humboldt et Aimé Bonpland (Paris, 1807, etc.), consisted of thirty folio and quarto volumes, including:

  2. Há 4 dias · Soon after his return to England, Dickens began work on the first of his Christmas stories, A Christmas Carol, written in 1843, which was followed by The Chimes in 1844 and The Cricket on the Hearth in 1845.

  3. en.wikipedia.org › wiki › QuaternionQuaternion - Wikipedia

    Há 1 dia · Quaternions were first described by the Irish mathematician William Rowan Hamilton in 1843 [1] [2] and applied to mechanics in three-dimensional space. The algebra of quaternions is often denoted by H (for Hamilton ), or in blackboard bold by Quaternions are not a field, because multiplication of quaternions is not, in general, commutative.

  4. 27 de mai. de 2024 · Ada Lovelace, English mathematician, an associate of Charles Babbage, for whose digital computer prototype, the Analytical Engine, she created a program in 1843. She has been called the first computer programmer.

    • The Editors of Encyclopaedia Britannica
  5. 28 de mai. de 2024 · William McKinley (born January 29, 1843, Niles, Ohio, U.S.—died September 14, 1901, Buffalo, New York) was the 25th president of the United States (1897–1901). Under McKinley’s leadership, the United States went to war against Spain in 1898 and thereby acquired a global empire, which included Puerto Rico, Guam, and the Philippines.

  6. Há 2 dias · En janvier 1843, le sud se soulève. Ses troupes vaincues, Boyer abdique et s’exile le 13 février 1843. Il fuit en Jamaïque puis à Paris où il meurt en 1860 [45]. Instabilité et gabegie des années 1844-1915