The Rosetta Stone, 196 BC. A basalt slab inscribed with a decree of the Pharaoh Ptolemy Epiphanes (Ptolemy V) (205180 BC) in three languages; Greek, Hieroglyphic and Demotic script. Discovered near Rosetta in Egypt in 1799, the stone became the key to deciphering Egyptian inscriptions. It was translated by JeanFrancois Champollion between 1822 and 1824. From the collection of the British Museum, London.
