Helpful in what way, to whom? To himself and his family? His Persian people? The subject peoples of the empire? Please be explicit in your question so we can have a chance of answering it when we know what you want.
Themistocles was the Athenian leader who sank most of the Persian fleet at Salamis.
The Persian leader defeated by the Greeks was Darius.
Cyrus the Great.
solon
Saddam hussein
Xerxes was the Persian, not the Athenian leader. No leader at the battle sank most of anyone's fleet.
Themistocles was the Athenian leader who sank most of the Persian fleet at Salamis.
who was the first leader of persian?
The Persian leader defeated by the Greeks was Darius.
zoroaster was a persian religious leader
zoroaster was a persian religious leader
the leader of Persia was ahmadi nejad
Cyrus
Cyrus
Cyrus the Great.
The Mede general Datis and Persian general Artaphernes commanded the Persian forces.
Cyrus