Template:Selected anniversaries/January 12: Difference between revisions

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File:Pierre de Fermat.jpg|link=Pierre de Fermat (nonfiction)|1665: Mathematician [[Pierre de Fermat (nonfiction)|Pierre de Fermat]] dies. He is recognized for his discovery of an original method of finding the greatest and the smallest ordinates of curved lines, which is analogous to that of [[Calculus (nonfiction)|differential calculus]], then unknown.
File:Pierre de Fermat.jpg|link=Pierre de Fermat (nonfiction)|1665: Mathematician [[Pierre de Fermat (nonfiction)|Pierre de Fermat]] dies. He is recognized for his discovery of an original method of finding the greatest and the smallest ordinates of curved lines, which is analogous to that of [[Calculus (nonfiction)|differential calculus]], then unknown.
File:San Pietro scrying engine.png|link=San Pietro scrying engine|1665: The [[San Pietro scrying engine]] spontaneously generates an elegy for [[Pierre de Fermat (nonfiction)|Pierre de Fermat]].


||1777: Hugh Mercer born ... general and physician.
||1777: Hugh Mercer born ... general and physician.


File:Johan August Arfwedson.jpg|link=Johan August Arfwedson (nonfiction)|1792: Chemist and academic. [[Johan August Arfwedson (nonfiction)|Johan August Arfwedson]] born]]. Arfwedson will discover the element lithium in 1817 by isolating it as a salt.
File:Johan August Arfwedson.jpg|link=Johan August Arfwedson (nonfiction)|1792: Chemist and academic. [[Johan August Arfwedson (nonfiction)|Johan August Arfwedson]] born. Arfwedson will discover the element lithium in 1817 by isolating it as a salt.


||1822: Étienne Lenoir born ... engineer, designed the internal combustion engine. Pic.
||1822: Étienne Lenoir born ... engineer, designed the internal combustion engine. Pic.

Latest revision as of 18:01, 7 February 2022