We cannot know the exact numbers of the Persian army as our sources tend to give unreliably large figures, but it is likely Darius outnumbered the Macedonians at least two or three times.

When the Persian army landed at Marathon in 490 BC, the Athenians chose Phidippides, their best runner, to send word to other Greeks of the invasion. Setting out from Athens, Phidippides made for ...

Army Brig. Gen. Joseph W. Rank sought federal permission to accept a tempting opportunity: to work as a paid consultant for the defense minister of Qatar, a wealthy Persian Gulf nation trying to ...

In the Battle of Thermopylae of 480 BC an alliance of Greek city-states fought the invading Persian army in the mountain pass of Thermopylae. Vastly outnumbered, the Greeks held back the enemy in ...