303

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

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

Years: 298 299 300 301 302 - 303 - 304 305 306 307 308

• Diocletian launched the last major persecution of Christians in the Roman Empire; Hierocles was said to have been the instigator of the fierce persecution of the Christians under Galerius.
• February 24 - Galerius, Roman Emperor, publishes his edict that begins the persecution of Christians in his portion of the Empire.
• Sassanid Shah Hormizd II succeeded Narseh.

• Saint George, patron saint of England (approximate date)

Deaths

• Adrian of Nicomedia, Christian saint (or 304)