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Sicilian Expedition

Type Event Region Sicily Time -415–-413

From 415 to 413 BCE, Athens launched an expedition against Sicily, aiming to strike Syracuse and expand Delian League power;…

Timeline

-415Piraeus · AtticaThe Athenian assembly approved the Sicilian expedition; Alcibiades, Nicias, and Lamachus led a large fleet from Piraeus, with Syracuse as their target.
-414–-413Syracuse · SicilyThe Athenian army besieged Syracuse's outskirts for a long period and built fortifications, but with the arrival of Spartan reinforcements, cut-off supplies, and confused command, it suffered a devastating defeat near the harbor.

Sources

Thucydides, History of the Peloponnesian War, Books VI-VII — Thucydides
Sicilian Expedition https://www.britannica.com/event/Sicilian-Expedition