Darius I (Old Persian: Drayava(h)u; New Persian: c. 550486 BCE) was the third king of the Persian Achaemenid Empire. Also called Darius the Great, he ruled the empire at its peak, when it included much of West Asia, the Caucasus, Central Asia, parts of the Balkans (Bulgaria-Pannonia), portions of north and northeast Africa including Egypt (Mudr
