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Events on Friday 27 September 1822 1
1822Champollion announces decipherment of Egyptian hieroglyphsLettre a M. Dacier reveals the key to ancient Egyptian writingJean-Francois Champollion presented his breakthrough findings on the Egyptian hieroglyphic script to the Academie des Inscriptions et Belles-Lettres in Paris. Building on his study of the Rosetta Stone, he showed that the script combined phonetic and symbolic signs. The announcement opened the field of modern Egyptology.