His 5th century B.C. writings traced the struggles between the Greeks & the Persian Empire
In 480 
BC, Xerxes personally led the second Persian invasion of Greece with one of the 
largest... [DOC] [TLE] First Persian invasion of Greece - Wikipedia [PAR] The first Persian invasion of Greece, during the Persian Wars, began in 492 BC, 
and ended ... Darius also saw the opportunity to extend his empire into Europe, 
and to ...