Artabanus gains control of the Achaemenid state for several months. However, he
is betrayed by Megabyzus and is killed by Xerxes' son, Artaxerxes.
Thasos revolts from
the Delian League. The revolt
arises from rivalry over trade with the Thracian hinterland and, in particular, over the
ownership of a gold mine. Athens under
Kimon lays siege to Thasos after the Athenian
fleet defeats the Thasos fleet.