Greece in the 5th century BC BC, the Greeks, under the Spartan Pausanias, defeated the Persian army at Plataea. The Athenian fleet then turned to chasing the Persians out of the Aegean Sea, defeating their fleet decisively in the Battle of Cape Mycale, and in 478 BC the Athenian fleet captured Byzantium. In the course of doing so Athens enrolled all the island states and some mainland allies into an alliance, called the Delian League because the League's treasury was kept on the sacred island of Delos. The Spartans, although they had taken part in the war, withdrew from any further involvement, allowing Athens to become
Battle of Himera (480 BC) had taken over neighboring Sikan and Sicel lands under the tyrant Theron (488–472 BC). To forestall any conflicts between Akragas and Syracuse, Gelo and Theron married into each other's families, thus creating a united front against the Sicels and Ionian Greeks of Sicily. To counter this Doric threat, Anaxilas of Rhegion from Italy, who had captured Zankle from Gela in 490 BC, allied himself with Terillus of Himera, and married the daughter of Terillus. Himera and Rhegion next became allies of Carthage, the tyrants even built up personal relationships with the Magonid dynasty of Carthage. Selinus, a Doric city whose