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A Timeline for Early Medieval Europe AD 238 - 325

This timerline is based on Roger Collins' Chronology in his book "Early Medieval Europe 300-1000"


British Isles Western Europe Eastern Europe North Africa Near East
238 Murder of Maximim I
241-72 Reign of Shapur I
244 Gordian III deposed by Philip

248 Cyprian Bishop of Carthage
253-60 Reign of Valerian
260 Shapur I captures Valerian
253-68 Reign of Gallienus
258 Martyrdom of Cyprian of Carthage
259-73 'Gallic Empire'

282-3 Reign of Carus
283 Carus's invasion of Persia

286-93 Reign of Carausius

285 Diocletian ruling West

284-305 Reign of Diocletian

293-6 Reign of Allectus

293 Appointment of Caesars
293-303 Reign of Narseh
303 Beginning of 'Great Persecution'
296-7 War with Rome
305-6 Reign of Constantius I in west

305-11 Reign of Galerius

311 Reign of Alexander

309-79 Reign of Shapur II

306 Constantine proclaimed at York

306-7 Rule of Constantine in West

313 War between Maximin and Licinius

312 Beginning of Donatist schism
312 Battle of Milvian Bridge; conversion of Constantine

314 War wirh Licinius (308-24)
324-37 Constantine ruling East
324 Founding of Constantinople
325 Council of Nicaea