Aratus now, having been chosen general of the Achaean League for the first time, ravaged the opposite territories of Locris and Calydonia, and went to the assistance of the Boeotians with an army of ten thousand men. He came too late, however, for the battle at Chaeroneia, in which the Boeotians were defeated by the Aetolians, with the loss of Aboeocritus, their Boeotarch, and a thousand men. A year later, In 243 B.C., two years later. The office of general in the League could not be held by the same person in successive years. Cf. chap. xxiv. 4. being general again, he set on foot the enterprise for the recovery of Acrocorinthus, not in the interests of Sicyonians or Achaeans merely, but purposing to drive from that stronghold what held all Hellas in a common subjection,—the Macedonian garrison.