page_title: Lettre à M. Dacier
hierarchical_section_title: Lettre à M. Dacier
caption_attribution_description: Français&#160;: Couverture de la Lettre à M. Dacier dans son édition de 1822.
context_page_description: Lettre à M. Dacier is a scientific communication in the form of 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 hieroglyphics were first systematically deciphered by Champollion, largely on the basis of the multilingual Rosetta Stone.
context_section_description: Lettre à M. Dacier (full title: Lettre à M. Dacier relative à l'alphabet des hiéroglyphes phonétiques: "Letter to M. Dacier concerning the alphabet of the phonetic hieroglyphs") is a scientific communication in the form of 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 hieroglyphics were first systematically deciphered by Champollion, largely on the basis of the multilingual Rosetta Stone.
caption: Cover of the first edition of Lettre à M. Dacier by Jean-François Champollion.
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