Ancient Libya valley, Cowper says, "There had been originally no less than eighteen or twenty megalithic trilithons, in a line, each with its massive altar placed before it." In ancient times, the Phoenicians and Carthaginians, the Persian Achaemenid Empire ("see Libya (satrapy)"), the armies of Alexander the Great and his Ptolemaic successors from Egypt, then Romans, Vandals, and local representatives of the Byzantine Empire ruled all or parts of Libya. The territory of modern Libya had separate histories until Roman times, as Tripoli and Cyrenaica. Cyrenaica, by contrast, was Greek before it was Roman. It was also known as Pentapolis, the "five
Byzantine Greeks as "Rhōmaîoi" (, "Romans", meaning citizens of the Roman Empire), a term which in the Greek language had become synonymous with Christian Greeks. The Latinizing term "Graikoí" (Γραικοί, "Greeks") was also used, though its use was less common, and nonexistent in official Byzantine political correspondence, prior to the Fourth Crusade of 1204. While this Latin term for the ancient "Hellenes" could be used neutrally, its use by Westerners from the 9th century onwards in order to challenge Byzantine claims to ancient Roman heritage rendered it a derogatory exonym for the Byzantines who barely used it, mostly in contexts relating to