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 (spacecraft) "Philae" performed the first successful landing on a comet, though its battery power ran out two days later. Communications with "Philae" were briefly restored in June and July 2015, but due to diminishing solar power, "Rosetta" communications module with the lander was turned off on 27 July 2016. On 30 September 2016, the "Rosetta" spacecraft ended its mission by hard-landing on the comet in its Ma'at region. The probe was named after the Rosetta Stone, a stele of Egyptian origin featuring a decree in three scripts. The lander was named after the Philae obelisk, which bears a bilingual Greek and