294 BC
Year 294 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Megellus and Regulus. The denomination 294 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Events
By place
Greece
- Archidamus IV, king of Sparta, son of Eudamidas I and grandson of Archidamus III, is defeated by Demetrius Poliorcetes of Macedonia in a battle at Mantinea. Sparta is saved only because Demetrius is called away by the threatening activities of his rivals Lysimachus and Ptolemy.
- Alexander V of Macedon is ousted by his brother, Antipater II. Therefore Alexander V turns to Demetrius Poliorcetes for help in recovering his throne. However, Demetrius Poliorcetes murders Alexander V and establishes himself on the throne of Macedonia. Antipater II loses the throne 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.
Roman Republic
- Third Samnite War:
Egypt
- Ptolemy gains control over Cyprus and the Phoenician coastal towns of Tyre and Sidon.
Seleucid Empire
- Stratonice, daughter of Demetrius Poliorcetes and wife of Seleucus marries her stepson Antiochus. Seleucus has reportedly instigated the marriage after discovering that his son by his late wife Apama was in danger of dying of lovesickness as he has fallen in love with his beautiful stepmother.
China
- General Bai Qi of the State of Qin launches a surprise attack on the State of Han and captures the city of Xincheng.