Wikipedia:Today's featured article/May 9, 2012

The Cleomenean War was fought by Sparta and its ally, Elis, against the Achaean League and Macedon. The war ended in a Macedonian and Achaean victory. In 235 BC, Cleomenes III ascended the throne of Sparta and began a program of reform aimed at restoring traditional Spartan discipline while weakening the influence of the ephors. 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, and then routed a second army near Megalopolis. Meanwhile, in domestic politics, he ordered the assassination of the ephors. In quick succession, Cleomenes cleared the cities of Arcadia of their Achaean garrisons, before crushing another Achaean force at Dyme. Facing Spartan domination of the League, Aratus was forced to turn to Antigonus III Doson of Macedon and request that he assist the Achaeans' efforts to defeat the Spartans. Cleomenes eventually invaded Achaea, seizing control of both Corinth and Argos. When Antigonus arrived in the Peloponnese, however, Cleomenes was forced to retreat to Laconia. He fought the Achaeans and the Macedonians at Sellasia, but the Spartans were routed. Cleomenes then fled to the court of his ally, Ptolemy III of Egypt, where he ultimately committed suicide. (more...)

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