no
They did npt defeat Athens.
Cyrus did not defeat the Persians. Cyrus, as a Persian himself, actually gave them an empire.
Persians were Muslims.
At the battle of Marathon 490 BCE the Athenians defeated the Persians.
hkykfyjjutfki
Shiites (or Shiaas) Muslims.
Yes at least all of the Muslims are.
The majority of Persians (Iranians) are Muslims; more specifically, Shia Muslims. Minorities include Sunna Muslims, Bahá'ís, Christians, and Jews. Especially the Bahá'ís are severely persecuted.
At Marathon 490 BCE.
Darius was a Persian.
No.