Rosetta Stone have originally been displayed within a temple, possibly at nearby Sais. It was probably moved during the early Christian or medieval period, and was eventually used as building material in the construction of Fort Julien near the town of Rashid (Rosetta) in the Nile Delta. It was rediscovered there in July 1799 by a French soldier named Pierre-François Bouchard during the Napoleonic campaign in Egypt. It was the first Ancient Egyptian bilingual text recovered in modern times, and it aroused widespread public interest with its potential to decipher this previously untranslated hieroglyphic language. Lithographic copies and plaster casts began circulating
Rosetta Stone (software) 3.0 or 4.0.x. The Rosetta Stone v2.1 through v2.2.x are only compatible with v6.x language courses. These versions of the language packs and software engine are neither backward compatible nor forward compatible. Language discs developed for The Rosetta Stone v2.0.x are incompatible with these later revisions of the software. In v2.1.4.1A of The Rosetta Stone, the program began using copy protection software called SafeDisc. Rosetta Stone Version 3 is not backward compatible with language packs developed for Rosetta Stone Versions 1 or 2. Version 3 was initially released in August 2007 for ten bestselling languages, with other languages following later