The Rosetta Stone is a well-known artefact that was discovered in Egypt in 1799. It is an ancient stone slab that contains inscriptions in three different scripts - ancient Egyptian hieroglyphs, Demotic, and Greek. The stone provided the key to understanding the hieroglyphic writing system of ancient Egypt. Synonyms for the Rosetta Stone include the Rosetta Stone tablet, the Egyptian Rosetta Stone, the Rosetta Stone artifact, or simply the Rosetta tablet. It is considered one of the most important archaeological discoveries in history, and its impact on our understanding of ancient Egypt is significant. Today, the Rosetta Stone resides in the British Museum in London, where it is a popular attraction for visitors from all over the world.