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Join the roomLettre à M. Dacier is a letter sent in 1822 by the Egyptologist Jean-François Champollion to Bon-Joseph Dacier, secretary of the French Académie des Inscriptions et Belles-Lettres. It is the founding text upon which Ancient Egyptian hieroglyphs were first systematically deciphered by Champollion, largely on the basis of the multilingual Rosetta Stone.
