Decades: 300s BC 290s BC 280s BC 270s BC 260s BC - **250s BC** - 240s BC 230s BC 220s BC 210s BC 200s BC

Years: 258 BC 257 BC 256 BC 255 BC 254 BC - **253 BC** - 252 BC 251 BC 250 BC 249 BC 248 BC

- Tiberius Coruncanius is the first plebeian to be elected
*pontifex maximus*of Rome.