413 BCE
Sparta fortifies Decelea; Persia backs Sparta
In 413 BCE Sparta fortifies Decelea, a short march from Athens, and Persia begins supporting it. The Decelean (Ionian) War follows.
413 BCE
In 413 BCE Sparta fortifies Decelea, a short march from Athens, and Persia begins supporting it. The Decelean (Ionian) War follows.