522 BC

Events in 522 BC 1

• 522 BC – 486 BC Darius the Great Empire at its zenith; Persepolis built Darius I brought the Achaemenid Empire to its greatest extent and organised it into provinces governed by satraps, with a common coinage, road network and postal system. He began the great ceremonial capital at Persepolis. His invasions of Greece, however, met defeat at Marathon in 490 BC.