Decades: 330s BC 320s BC 310s BC 300s BC 290s BC - **280s BC** - 270s BC 260s BC 250s BC 240s BC 230s BC

294 BC 293 BC 292 BC 291 BC 290 BC **289 BC** 288 BC 287 BC 286 BC 285 BC 284 BC

- Romans drain Lake Velinus

- Agathocles, tyrant of Syracuse
- Mencius, Chinese philosopher (approximate date)