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 between the University of Leipzig's Digital Humanities Chair and the Institute of Egyptology; and the British Museum and the Digital Epigraphy and Archaeology Project, to make available an annotated transcription of each of the three versions of the text, as well as providing them in XML format. High-resolution images and a high-resolution 3D model of the stone will also be produced. The term "Rosetta stone" has been used idiomatically to represent a crucial key in the process of decryption of encoded information, especially when a small but representative sample is recognised as the clue to understanding a larger whole. According