died 497
Tyrant of Miletus .
He assumed his regency from his father-in-law, Histiaeus (d. 494 BC), who had lost the trust of the Persian emperor, Darius I . Possibly incited by Histiaeus, and with support from Athens and Eretria, Aristagoras raised the Ionian revolt against Persia. Defeated, he left Miletus to found a colony in Thrace, where he was killed by Thracians.