Cleomenean War

Cleomenean War
A map of Greece. That northern half of Greece is occupied by the new Aetolian League and the southern territories under the control of Macedcon, while the south is occupied by Sparta, the Achaean League and several smaller states.
Greece at around the time of the Cleomenean War
Date229/228[1]–222 BC
Location
Result Achaean and Macedonian victory
Territorial
changes
Acrocorinth, Corinth, Heraea, and Orchomenus to Macedon[2]
Belligerents
Sparta,
Elis
Achaean League,
Macedonia
Commanders and leaders
Cleomenes III Aratus,
Antigonus III Doson
Strength
~20,000 (at largest muster) ~30,000 (at largest muster)

The Cleomenean War[3] (229/228–222 BC) was fought between Sparta and the Achaean League for the control of the Peloponnese. Under the leadership of king Cleomenes III, Sparta initially had the upper hand, which forced the Achaean League to call for help the Macedonian king Antigonos Doson, who decisively defeated Cleomenes in the battle of Sellasia in 222.

In 235 BC, Cleomenes III (r. 235–222 BC) ascended the throne of Sparta and began a program of reform aimed at restoring traditional Spartan discipline while weakening the influence of the ephors, elected officials who, though sworn to uphold the rule of Sparta's kings, had by the time of Cleomenes come to wield extraordinary political power in the Spartan system. When, in 229 BC, the ephors sent Cleomenes to seize a town on the border with Megalopolis, the Achaeans declared war. Cleomenes responded by ravaging Achaea. At Mount Lycaeum he defeated an army under Aratus of Sicyon, the strategos of the Achaean League, that had been sent to attack Elis, and then routed a second army near Megalopolis.

In quick succession, Cleomenes cleared the cities of Arcadia of their Achaean garrisons, before crushing another Achaean force at Dyme. Facing Spartan domination, Aratus was forced to turn to Antigonus III Doson (r. 229–221 BC) of Macedon. In return for Macedonian assistance, the Achaeans were obliged to surrender the citadel overlooking Corinth to Antigonus. Cleomenes eventually invaded Achaea, seizing control of Corinth and Argos, but was forced to retreat to Laconia when Antigonus arrived in the Peloponnese. Cleomenes fought the Achaeans and the Macedonians at Sellasia, where the Spartans were routed. He then fled to the court of his ally, Ptolemy III of Egypt (r. 246–222 BC), where he ultimately committed suicide in the wake of a failed revolt against the new Pharaoh, Ptolemy IV (r. 221–205 BC).

  1. ^ Hammond & Walbank 2001, p. 305.
  2. ^ Habicht 1997, p. 175; Hammond & Walbank 2001, p. 353.
  3. ^ Polybius. The Rise of the Roman Empire, 2.46.

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