Rosetta Stone the Napoleonic Wars, a long-running dispute over the relative value of Young and Champollion's contributions to the decipherment and, since 2003, demands for the stone's return to Egypt. Two other fragmentary copies of the same decree were discovered later, and several similar Egyptian bilingual or trilingual inscriptions are now known, including two slightly earlier Ptolemaic decrees (the Decree of Canopus in 238 BC, and the Memphis decree of Ptolemy IV, c. 218 BC). The Rosetta Stone is, therefore, no longer unique, but it was the essential key to modern understanding of Ancient Egyptian literature and civilisation. The term "Rosetta Stone"
Rosetta Stone (software) major version of Rosetta Stone is Rosetta Stone Language Learning 5.0.13. Language packs also have version numbers. The version number of the language pack is distinct from the version numbering scheme of the Rosetta Stone application, and a language pack is only compatible with specific versions of the application. Version 4 and 5 are backward compatible with language packs developed for Version 3, but not older ones. By the end of 1996, Rosetta Stone Version 1 had a selection of nine level-one language courses (Dutch, English, French, German, Italian, Mandarin Chinese, Portuguese, Russian, Spanish) and four level-two courses (English, French,