Some of the Greek city-states joined with Persia, the southern cities opposed the Persian attempt to absorb them into the Persian empire.
Xerxes I.
It was the war between Greece and Persian people called the battle of Marathon.
No one.
The Ionian Greek city-states in Asia Minor revolted against Persian rule. The war spread to mainland Greece.
Xerxes I.
Darius I .
yes they did
Persian War.
Anglo-Persian War happened in 1856.
499 BCE
Herodotus
The question is confused. The first king of the Persian empire was Cyrus. The king during the punitive expedition against Athens and Eretria in 490 BCE was Darius. The king during the invasion of Greece 480-479 BCE was Xerxes.