ARCHIDAMUS IV

flourished 3rd century BC king of Sparta, son of Eudamidas I, grandson of Archidamus III. The dates of his accession and death are unknown. In 294 BC he was defeated by Demetrius I Poliorcetes of Macedonia in a battle at Mantinea, and Sparta was saved only because Demetrius I was called away by the threatening activities of a rival Lysimachus and Ptolemy II.