HistoryData
war-428

Battle during the Peloponnesian War

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Athens suffered a decisive defeat at Spartolos in 429 BC, demonstrating the vulnerability of hoplite armies to combined cavalry and peltast tactics.

Quick Facts

Year
-428
Category
war

Key Facts

Date
429 BC
Athenian hoplites
2,000 troops
Athenian cavalry
200 horsemen
Athenian casualties
430 soldiers plus all generals killed
Athenian commander
Xenophon, son of Euripides

By the Numbers

429
Date
2,000troops
Athenian hoplites
200horsemen
Athenian cavalry
430
Athenian casualties

Location

Map of Spartolos, GreeceMap of Spartolos, GreeceSpartolos, Greece

Cause → Event → Consequence

Cause

Following the fall of Potidaea, Athens sought to suppress ongoing rebellion in Chalcidice and secure imperial tribute. The Athenians dispatched Xenophon with 2,000 hoplites and 200 cavalry to attack Spartolos, destroy crops, and negotiate with pro-Athenian factions. Anti-Athenian factions in the region called on Olynthus for military support.

Event

A combined force from Chalcidice, Spartolos, and Olynthus engaged the Athenians in open battle. Though the Chalcidian hoplites were initially defeated and retreated, their cavalry and peltasts overcame the Athenian troops. After reinforcements arrived from Olynthus, a second attack routed the Athenians, who could not effectively engage the enemy light infantry and horsemen.

Consequence

The Athenian force was decisively routed, with all its generals and 430 other soldiers killed. The defeat left Athens unable to suppress the Chalcidian rebellion, and the tribute list of 429/8 BC shows that only a handful of Chalcidian cities—several of which had not even joined the Chalcidian League—remained in the Athenian tribute system.

Belligerents & Mobilization Analysis

Side A

1 belligerent

Athens
Peak Mobilized Forces~2K
Estimated Casualties430
Casualty Rate19.5%
Forces vs Casualties ratio
0CasualtiesMobilized
Key Commanders

Xenophon son of Euripides.

Side B

1 belligerent

Chalcidian League, Spartolos, and Olynthus
Total Casualties (all sides)
430
Outcome
Chalcidian-Olynthian victory; Athenian force routed with all generals killed

Timeline Context

Timeline around -428-428-431-430-429-427-426-425Naval battle between Athenian and Peloponnesian fleets (429 BC)Athenian navy under Phormio against Peloponnesian fleetbattle-of-spartolos--428