It had no place in the original constitution of Carthage, but, like the Spartan ephorate, it originated in an aristocratic opposition to the monarchical elements of that constitution.

After the treaty and the alliance between the Lacedaemonians and Athenians, concluded after the ten years' war, in the ephorate of Pleistolas at Lacedaemon, and the archonship of Alcaeus at Athens, the states which had accepted them were at peace; but the Corinthians and some of the cities in Peloponnese trying to disturb the settlement, a fresh agitation was instantly commenced by the allies against Lacedaemon.

In the fifteenth, in the forty-eighth year of the priestess-ship of Chrysis at Argos, in the ephorate of Aenesias at Sparta, in the last month but two of the archonship of Pythodorus at Athens, and six months after the battle of Potidaea, just at the beginning of spring, a Theban force a little over three hundred strong, under the command of their Boeotarchs, Pythangelus, son of Phyleides, and Diemporus, son of Onetorides, about the first watch of the night, made an armed entry into Plataea, a town of Boeotia in alliance with Athens.

It had no place in the original constitution of Carthage, but, like the Spartan ephorate, it originated in an aristocratic opposition to the monarchical elements of that constitution.