308
| Years: 304 305 306 307 – 308 – 309 310 311 312 | |
| Decades: 270s 280s 290s – 300s – 310s 320s 330s | |
| Centuries: 3rd century – 4th century – 5th century | |
Events
- November 11 – The Congress of Carnuntum: Attempting to keep peace within the Roman Empire, the leaders of the Tetrarchy declare Maxentius Augustus, and rival contender Constantine I is declared Caesar (junior emperor of Britain and Gaul)
Births
Deaths
Categories: 308