The Persian War went on for 50 years, with dozens of ground battles. Which one?
Plataea of the last battle in the Persian war.
Salamis was a naval battle in a war between a consortium of a score of Greek city-states and the combined Persian naval forces. The Persians lost, and as they could not not supply their ground forces by sea in the coming winter, had to take half of them home, evening up the land forces of both sides at the battle of Plataea the following year, which as a result, the Greek coalition also won, ending the Persian invasion.
Which what.
Thermopylai was a battle in the Persian War.
Leonidas I, King of Sparta, is the king who died in a battle protecting Sparta from the Persian War.
Battle of Ephesus 498 BCE.
Plataia was a battle in the 50 year Persian War. A coalition of Greek city-states defeated a Persian expeditionary force in the battle.
A war is not a battle. The Persian War arose from Persia's attempt to stop war in the western part of its empire by bringing the constantly-warring Greek city-states to peace.
Persian War 499-449 BCE.
The battle of Thermopylae.
The sea battle of Salamis 480 BCE.
salamis