History of Sicily politics in Greece itself, leading Athens, for example, to mount the disastrous Sicilian Expedition in 415 BC during the Peloponnesian War. In Greek mythology, the goddess Athena threw Mount Aitna onto the island of Sicily and upon either the gigante Enceladus or Typhon during the giants' war against the gods. The Greeks came into conflict with the Punic trading communities, by now effectively protectorates of Carthage, with its capital on the African mainland not far from the southwest corner of the island. Palermo was a Carthaginian city, founded in the 8th century BC, named Zis or Sis ("Panormos" to the
Capital city meaning "head". In several English-speaking states, the terms county town and county seat are also used in lower subdivisions. In some unitary states, subnational capitals may be known as "administrative centres". The capital is often the largest city of its constituent, though not always. Historically, the major economic centre of a state or region often becomes the focal point of political power, and becomes a capital through conquest or federation. (The modern capital city has, however, not always existed: in medieval Western Europe, an itinerant (wandering) government was common.) Examples are Ancient Babylon, Abbasid Baghdad, Ancient Athens, Rome, Constantinople, Chang'an,