Achaemenid Empire (550-330 BC)

The Achaemenid Empire, existing from 550 to 330 BC, was the first great Persian Empire, founded by Cyrus the Great. It expanded to become one of the largest empires in history, stretching from the Balkans to the Indus Valley. The Achaemenids were known for their effective administration, allowing diverse cultures to maintain their traditions. They developed an infrastructure of roads and a postal system, promoting trade and communication. The empire is also noted for its achievements in architecture, including Persepolis. It fell to Alexander the Great, marking a significant transition in ancient history.