Add spaces: 550-330B.C.(TheAchaemenids):RiseoftheAchaemenesdynastyandthecreationofanempirebaseduponthecoalitionoftheMedesandPersiansundertheleadershipofCyrustheGreat.AchaemenesistheGreekformoftheIranianfamilynameofHaklamanesh.
550-330 B.C. (The Achaemenids): Rise of the Achaemenes dynasty and the creation of an empire based upon the coalition of the Medes and Persians under the leadership of Cyrus the Great. Achaemenes is the Greek form of the Iranian family name of Haklamanesh.