Olynthus, a Greek city on the Khalkidhikí…
382 BCE
Olynthus, a Greek city on the Khalkidhikí (Chalcidice) Peninsula has become, as the leader of the Chalcidian (or Chalcidic) League, the center of Greek resistance to the power of Athens and Sparta by the fourth century BCE.
Founded by Olynthus as a league with complete equality and identical citizenship, commerce, and marriage laws among the member states, it includes almost all the cities on the Macedonian coast by 382 BCE, by which time the league's power has aroused the hostility of Sparta.
Grown populous and powerful since its synoecism in 432 at the instance of Perdiccas II of Macedon, the city has survived the military reorganization of Macedon by …