Alexander the great decisively defeated the Persians led by Darius the Third at Gaugamela (located in Iraq) October 1, 331 BC .
no
They did npt defeat Athens.
Cyrus did not defeat the Persians. Cyrus, as a Persian himself, actually gave them an empire.
At the battle of Marathon 490 BCE the Athenians defeated the Persians.
At Marathon 490 BCE.
Darius was a Persian.
No.
The Persians were not defeated by anyone in 499 BCE.
The Persians who was led by Xerxes .
IDs
i think
Notably , the battle of Marathon .