<human>:  Why is it called the Rosetta Stone?
<bot>: The Rosetta Stone is named after the town of Rosetta in Egypt, where it was found. The Rosetta Stone is a stone slab that was found in 1799 in the Egyptian city of Rosetta. The stone is inscribed in three languages: Egyptian hieroglyphs, Greek, and Demotic script. The stone is a key to understanding the ancient Egyptian language.