- He showed great heroism in the defence of Sparta against Epaminondas immediately before the battle of Mantineia (362).
- In 370 B.C. Epaminondas besieged it unsuccessfully for three days.
- The Phocian levy took part in Epaminondas' inroads into Peloponnesus, except in the final campaign of Mantinea (370-62), from which their contingent was withheld.
- Callicratidas pronounced against the enslavement of Greeks by Greeks, but violated his own principle, to which, however, Epaminondas and Pelopidas appear to have been faithful.
- After having withstood an attempt under Epaminondas to restore it to the Lacedaemonians, Byzantium joined with Rhodes, Chios, Cos, and Mausolus, king of Caria, in throwing off the yoke of Athens, but soon after sought Athenian assistance when Philip of Macedon, having overrun Thrace, advanced against it.