October 17, 2021


Ecuador gained independence from Spain September 7 - Proclamation of independence of Brazil by its future emperor Pedro I.


Joseph Fourier established the law of proportionality of the heat flux to the temperature gradient - Fourier's law. Jean-François Champollion deciphered the ancient Egyptian inscription on the Rosetta Stone.


See also: Category: 1822 births January 6 - Schliemann Heinrich, American archaeologist of German descent January 12 - Lenoir Etienne, Belgian inventor, designer of the first practically suitable internal combustion engine († 1860) April 26 - Olmsted Frederick, American landscape architect April 27 - Ulysses Grant, 18th President of the United States (1869-1877) May 31 - Edward Dembowski, Polish philosopher, journalist, revolutionary July 22 - Gregor Mendel, Austrian Augustinian monk, botanist, discovers the laws of heredity


See also: Category: Died 1822 June 25 - Aodo Denzen, Japanese Western-style artist, master of copper engraving.

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