Philip advances into Chalcidice, threatening the city…
349 BCE
Philip advances into Chalcidice, threatening the city of Olynthus.
The center of a Chalcidian League reformed after Sparta's decline, Olynthus has stood against Athens in alliance with Philip until, intimidated by the Macedonian monarch's growing power, it plots against him with the Athenians.
With Etesian winds about to blow, Philip, despite the alliance of 356, in summer 349 attacks Olynthus, which turns to the only and obvious place for help, …