288: Joint attack on Macedonia by Lysimachus and Pyrrhus of Epirus; king Demetrius I Poliorcetes abandons Europe and attacks Lysimachus' Asian possessions; he marches to the east, fails, and surrenders to Seleucus
Antigonus left in Europe
283: Death of Demetrius, still in Asia
281: Seleucus invades Lysimachus' realm; defeats him at Corupedium; Seleucus murdered by Ptolemy Keraunos, who becomes king of Macedonia.
279: Ptolemy Keraunos killed by the Galatians, who proceed to Greece and capture Delphi (text)
277: Antigonus defeats the Galatians and becomes king of Macedonia
249: Revolt of Alexander of Corinth; Corinth independent
245: During the Laodicean War (or Third Syrian War), the Macedonians attack Ptolemaic possessions in the Aegean Sea (battle of Andros), and gain the Cyclades
Mid 240s: Engagement or brief marriage of crown prince Demetrius to Nicaea, daughter of the deceased Alexander of Corinth; her dowry is Corinth, which again becomes part of Macedonia
