This slab that's inscribed in 3 different languages was found by the French in 1799
[DOC] [TLE] The Rosetta Stone is discovered | HISTORY [PAR] On this day in 1799, during Napoleon Bonaparte's Egyptian campaign, a French 
soldier discovers a black basalt slab inscribed with ancient writing near the town 
... in three different scripts: Greek, Egyptian hieroglyphics and Egyptian demotic.