Comment by cal2

Much of the decipherment of Ancient Egyptian hieroglyphics was due to the discovery and the analysis of the Rosetta Stone. An accurate translation was made by Jean-François Champollion in 1822.

[1]: https://en.wikipedia.org/wiki/Rosetta_Stone

[2]: https://en.wikipedia.org/wiki/Jean-Fran%C3%A7ois_Champollion