Persia is now Iran.
The battle where the Greeks turned back the Persians was the Battle of Marathon.
Salamis, Plataia, Mykale, Eurymedon, Cyprus.
Marathon.
The Battle of Salamis ~ see related link below .
Battle of Marathon 17th September 490 bc
Take your pick - Salamis, Mycale, Eurymedon, Cyprus and others.
The leader of the Persians was Xerxes I
Persians.
Most Persians today are Muslim, but before the advent of Islam in Persia, most Persians were Zoroastrians.
He was Xerxes
the persians freed the Isrealites after conquering the babylonians
It did when the Persians conquered Babylon.