: 4th century BC
- 3rd century BC
- 2nd century BC
Decades: 280s BC 270s BC 260s BC 250s BC 240s BC - 230s BC - 220s BC 210s BC 200s BC 190s BC 180s BC
Years: 237 BC 236 BC 235 BC 234 BC 233 BC - 232 BC - 231 BC 230 BC 229 BC 228 BC 227 BC
- King Agron dies, and the throne of Illyria is occupied by his wife Queen Teuta (Tefta), "the Catherine the Great of Illyria", who expels the Greeks from the Albanian coast and then launches pirate ships into the Ionian Sea, preying on Roman shipping.
- In Rome, the Lex Flaminia authorizes the distribution of land in Gaul to Roman colonists.
- Ashoka, Buddhist ruler of the Mauryan empire in India
- Cleanthes of Assos, head of the Stoic School in Athens