This slab that's inscribed in 3 different languages was found by the French in 1799
The 
importance of the Rosetta Stone lies in its being inscribed in three scripts (
demotic, ... form of the language in the Ptolemaic period and was quite different... [DOC] [TLE] BBC - History - Ancient History in depth: The Decipherment of ... [PAR] Feb 17, 2011 ...