: 4th century BC
- 3rd century BC
- 2nd century BC
Decades: 270s BC 260s BC 250s BC 240s BC 230s BC - 220s BC - 210s BC 200s BC 190s BC 180s BC 170s BC
Years: 232 BC 231 BC 230 BC 229 BC 228 BC - 227 BC - 226 BC 225 BC 224 BC 223 BC 222 BC
- Faced with a dangerously small number of Spartan citizens, and other handicaps to the city-state, Cleomenes III issues revolutionary reforms: cancels debts, redistributes lands, makes citizens of perioeci and metics.
- Antigonus III Doson assumes the title of king of Macedonia.
- Sicily and Sardinia become provinces of Rome; Gaius Flaminius is Rome's first governor of Sicily.
- In Rome, the number of praetors is increased from two to four.