Are you sure you want to reset the form?
Your mail has been sent successfully
Are you sure you want to remove the alert?
Your session is about to expire! You will be signed out in
Do you wish to stay signed in?
305 Diocletian and Maximian resign as co-emperors
306 Constantine named emperor in the west by his troops
312 Constantine defeats Maxentius at the Milvian Bridge
313 Constantine and Licinius declare the Edict of Milan
324 Constantine defeats Licinius and reunites the empire
325 Council of Nicaea produces the orthodox doctrine of Nicene Christianity
330 Constantinople consecrated as the new capital of the empire
337 Death of Constantine; Constantius II initially co-emperor
353 Constantius II defeats Magnentius and becomes sole emperor
361 Death of Constantius II; accession of Julian the Apostate
363 Death of Julian the Apostate
c. 370 Arrival of the Huns in Europe
376 Valens allows 100,000 Visigoths to settle in Moesia as federates of the Roman army
378 Visigoth federates defeat Romans at the battle of Adrianople; death of Valens; accession of Theodosius I in the east
380 Nicene Christianity declared the sole religion of the empire
382 Theodosius I makes peace with the Visigoths and allows them to be full members of the Roman army
393 Theodosius I defeats the western emperor Eugenius with help from Visigoth forces led by Alaric; pagan ceremonies outlawed
395 Death of Theodosius I; accession of Honorius in the west and Arcadius in the east