The Greco-Persian Wars, also called the Persian Wars, were a series of armed conflicts involving various Greek city-states and the Achaemenid Empire from 499 BC to 449 BC. The precipitating collision
Combat between a Persian soldier (left) and a Greek hoplite (right) depicted on a kylix displayed at the National Archaeological Museum of Athens
Soldiers of the Achaemenid army of Xerxes at the time of the Battle of Thermopylae. Tomb of Xerxes, circa 480 BC, Naqsh-e Rustam. Top rank: Persian, Median, Elamite, Parthian, Arian, Bactrian, Sogdian, Chorasmian, Zarangian, Sattagydian, Gandharan, Hindush (Indians), Scythian. Bottom rank: Scythian, Babylonian, Assyrian, Arabian, Egyptian, Armenian, Cappadocian, Lydian, Ionian, Scythian, Thracian, Macedonian, Libyan, Ethiopian.