Darius
(1) The Mede, king of Babylon after the death of Belshazzar (Dan. 5:31; 6:9, 25–28; 9:1; 11:1). It is impossible to identify him with any of the kings of Babylon known to secular history.
(2) The son of Hystaspes and founder of the Persian dynasty (Ezra 4:5, 24; 5:5–7; 6:1–15; Hag. 1:1, 15; 2:10; Zech. 1:1, 7; 7:1).
(3) Darius Codomannus, called Darius the Persian in Neh. 12:22; the last king of Persia, overthrown by Alexander the Great 330Â B.C.