314 BC

By place

Macedonian Empire

• Aristodemus of Miletus convinces the common assembly of the Aetolians to support Antigonus
• Alexander is killed by Alexion of Sicyon. His wife Cratesipolis assumes power and holds the army together
• Antigonus, the ruler of the Asian parts of the late Alexander the Great's empire, faces a coalition consisting of Cassander, the Macedonian regent; Lysimachus, the satrap of Thrace; and Ptolemy, the satrap of Egypt, who have taken the side of the ousted satrap of Babylon, Seleucus.
• Antigonus does not trust Peithon's growing power. So Antigonus tricks Peithon to come to his court, where Antigonus has him executed.
• Antigonus invades Syria, then under Ptolemy's control, and besieges and captures Tyre. Antigonus then occupies Syria, proclaiming himself regent.

  Greece

• As Cassander fights to retain control over central Greece, Antigonus promises freedom to the Greek cities in a bid to gain support from them against Cassander.
• The Aetolians enter into an alliance with Antigonus, and the League of the Islanders is established under Antigonus' hegemony. Cassander marches against them with his allies Lysimachus, Ptolemy and Seleucus and destroys the city of Agrinio

  Roman Republic

• Success seems to be going the Samnites' way in their ongoing battles against the Romans. Campania is on the verge of deserting Rome. Peace is established between Rome and some Samnite towns.

  China

• Zhou Nan Wang becomes King of the Zhou Dynasty of China.
• The city of Guilin is founded by the Qin Dynasty.