#persian empire

• Achaemenid — Pertaining to the Achaemenids, an ancient Persian royal dynasty founded by Achaemenes, which ruled the First Persian Empire (from the 6th to the 4th century BC) until its conquest by Alexander the Great; relating to the art, culture, architecture, or administration of this ancient dynasty. As a plural noun, it designates the members of this famous imperial family.
• Achaemenids — The members of the first great Persian imperial dynasty, founded by Achaemenes in the 7th century BC, who ruled a vast empire stretching from Egypt and Greece to India. Under the rule of illustrious monarchs like Cyrus the Great and Darius I, they created a centralized administrative system based on satrapies and left legendary architectural monuments, with the dynasty ending upon the empire's collapse to Alexander the Great.
• Artaxerxes — A proper name of Old Persian origin (Artaxšaça), historically borne by several famous monarchs of the Achaemenid dynasty who ruled the Persian Empire, notably Artaxerxes I Longimanus and Artaxerxes II Mnemon. The name has a structural etymological meaning translated as 'he whose rule is based on truth and justice', being closely linked in ancient historiography to the major Greco-Persian conflicts and accounts in biblical chronicles.