Editing 294 BC (section)

==== Greece ====
* [[Archidamus IV]], king of [[Sparta]], son of [[Eudamidas I]] and grandson of [[Archidamus III]], is defeated by [[Demetrius Poliorcetes]] of [[Macedon]]ia in a battle at [[Mantinea]]. Sparta is saved only because Demetrius is called away by the threatening activities of his rivals [[Lysimachus]] and [[Ptolemy I Soter|Ptolemy]].
* [[Alexander V of Macedon]] is ousted by his brother, [[Antipater II of Macedon|Antipater II]]. Therefore Alexander V turns to Demetrius Poliorcetes for help in recovering his throne. However, Demetrius Poliorcetes establishes himself on the throne of Macedonia and then murders Alexander V. Antipater II loses the throne of Macedonia but is able to survive.
* [[Pyrrhus of Epirus]] exploits the dynastic quarrel in Macedonia involving Alexander V of Macedon, his brother, Antipater II and Demetrius Poliorcetes to take over the frontier areas of [[Parauaea]] and [[Tymphaea]], along with [[Acarnania]], Ampholochia, and [[Ambracia]].
* Lysimachus concludes a peace with Demetrius Poliorcetes whereby Demetrius Poliorcetes is recognized as ruler of Macedonia.