298
| Years: 294 295 296 297 - 298 - 299 300 301 302 | |
| Decades: 260s 270s 280s - 290s - 300s 310s 320s | |
| Centuries: 2nd century - 3rd century - 4th century | |
Events
- Constantius Chlorus overthrows the Alamanni in the territory of the Lingones (Langres) and strengthened the Rhine frontier
- Christians are expelled from the Roman army
- Baths of Diocletian built in Rome
Births
- Athanasius of Alexandria, bishop and opponent of Arianism
Deaths
- Diophantus, mathematician (approximate date)
- King Chaekgye of Baekje