Battle of the Eurymedon with the decisive Athenian victory at the Battle of Marathon. Between the two invasions, Darius died, and responsibility for the war passed to his son Xerxes I. Xerxes then led the second invasion personally in 480 BC, taking an enormous (although oft-exaggerated) army and navy to Greece. Those Greeks who chose to resist (the 'Allies') were defeated in the twin battles of Thermopylae and Artemisium on land and at sea respectively. All of Greece except the Peloponnesus thus fell into Persian hands, but then seeking to finally destroy the Allied navy, the Persians suffered a decisive defeat at the Battle
Pleistarchus his tutor. It is unknown whether Pleistarchus was married. Pleistarchus' father King Leonidas perished in 480 BC at the Battle of Thermopylae. For the early part of Pleistarchus's reign, his uncle Cleombrotus acted as regent; after Cleombrotus's death in 479 BC, Pleistarchus's cousin Pausanias was regent. The successor of Pleistarchus was Pleistoanax, son of Pausanias. Pleistarchus Pleistarchus or Plistarch ( "Pleistarkhos"; died 458 BC) was the Agiad King of Sparta from 480 to 458 BC. He was born in 486 B.c. In Sparta, Greece. His family was Leonidas and Gorgo, who are uncles and nieces. He became king of Sparta