Centuries: 3rd century - 4th century - 5th century

Decades: 250s 260s 270s 280s 290s - 300s - 310s 320s 330s 340s 350s

Years: 304 305 306 307 308 - 309 - 310 311 312 313 314

• The Spanish provinces revolt from the control of Maxentius, acknowledging Constantine as their Emperor
• Pope Marcellus I is banished from Rome, as is his successor Eusebius later that year

• Didymus The Blind, an ecclesiastical writer of Alexandria (approximate)