A historical anecdote explains why the Macedonians and Spartans never went to war when king Philip conquered all of Greece.

Xerses, The Achaemenid is a trade-focused leader in Civ 7. He starts with an additional trade route to other leaders, as well as receives lots of boosts to culture and gold every time you ...

considering what the Achaemenid Empire was capable of. Ancient Hellenistic sources report a (clearly inflated) army of 40,000 ...

However, Persepolis successfully drained a significant volume of water thanks to its underground channels, originally constructed during the Achaemenid era and known as the Achaemenid water channels, ...