第三次マケドニア戦争
In 182 BC, he was given quite an honor when he was chosen to carry the funeral urn of Philopoemen, one of the most eminent Achaean politicians of his generation. In either 169 BC or 170 BC, Polybius was elected hipparchus (cavalry officer) with the intention of fighting for Rome during the Third Macedonian War. This event often presaged election to the annual "strategia" (chief generalship). His early political career was devoted largely towards maintaining the independence of Megalopolis.