He was very interested as commander of the Persian expeditionary force.
Xerxes I of Persia was defeated in the naval battle of Salamis by Athenian admiral Themistocles .
The Battle of Salamis on 29 September 480 BCE.
Xerxes I.
Xerxes I of Persia .
The commander was King Xerxes I.
Persian - Xerxes I. Greek - Eurybiades of Sparta.
The Greek fleet at Salamis was commanded by the Spartan admiral Eurybiades.
King Xerxes.
He had the captains of the Phoenician ships in his fleet, who lost their ships early in the battle, beheaded as an example to the others.
Xerxes was the Persian, not the Athenian leader. No leader at the battle sank most of anyone's fleet.
Xerxes didn't cricify Leonidas. After he was killed in battle he had his head impaled on a pike. There is no record of any outcome of this act. Xerxes lost his war because of defeat in the sea battle of Salamis which had nothing to do with Leonidas.
King Xerxes' fleet of ships from Phonecia, Egypt and Asian-Greeks was defeated at the Battle of Salamis by the Greek fleet led by Spartan Admiral Eurybiades.