His 5th century B.C. writings traced the struggles between the Greeks & the Persian Empire
In the 6th century, the Greek Empire was under the threat of the 
Persian... [DOC] [TLE] Greco-Persian Wars: Battle of Thermopylae | HistoryNet [PAR] In the 5th century bc, the Persian empire fought the city-states of Greece in one of 
the most profoundly symbolic struggles in history.