231 BCE

Demetrius II, king of Macedonia, seeks military help from Agron, king of Illyria, a loosely organized state on the Adriatic coast north of Epirus, against the advancing Aetolians. The Illyrian army routs the Aetolians and returns home as the victor. The Romans send envoys to Massilia (modern Marseille, France) to negotiate with the Carthaginian general Hamilcar Barca who is based there.

Conflict & Security

Demetrius II, king of Macedonia, seeks military help from Agron, king of Illyria, a loosely organized state on the Adriatic coast north of Epirus, against the advancing Aetolians. The Illyrian army routs the Aetolians and returns home as the victor.source

Exploration & Expansion

The Romans send envoys to Massilia (modern Marseille, France) to negotiate with the Carthaginian general Hamilcar Barca who is based there.source

Births

Hieronymus, tyrant of Syracuse (d. 214 BC)source
Han Xin, prominent Chinese general of the early Han dynasty is born.source

Deaths

Agron, king of the Ardiaean Kingdom (Western Balkans)source