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Period: 235 to 284
Crisis of the Third Century
Known as the period of Military Anarchy and Imperial Crisis, this period started off with the assassination of Servus Alexander. -
Period: 285 to 305
Tetrarchy
Diocletian split the Roman Empire into two pieces, and added junior emperors, making a total of four Caesar's.When Diocletian and Maximian abdictated their co-rulers, civil war broke out. -
Period: 306 to 337
The Acceptance of Christianity
In 312, the emperor Constantine defeated his co-emperor Maxentius at the Milvian Bridge and became sole ruler. Later Constantine defeated the Eastern Ruler and then became sole ruler for the whole Roman Empire -
Period: 360 to 363
Fall of Official Paganism
The Roman Emperor Julian also known as Julian the Apostate attempted to reverse the religious trend to Christianity. He failed and died in the East fighting the Parthians. -
378
Battle of Adrianople
Eastern Roman Empire Flavius Julius Valens Augustus fought and was defeated and killed by the Visigoths at the Battle of Adrianople. -
Period: 379 to 395
East-West Split
After Valen's death Thedosius briefly reunited the Empire but it didn't last beyond his reign. At his death the Empire was divided by his sons Arcadius in the East and Honorius in the West. -
Period: 401 to 410
Sack of Rome
Visigoths made several successful incursions into Italy beginning in 401 C.E. This is often given as the official date of The Fall of Rome. -
Period: 440 to 454
Huns Attack
The central Asians Huns led by their king Attila threatend Rome, were paid off, then attacked agin. -
455
Vandals Sack Rome
Vandals plunder Rome amounting to the fourth sack of the city but by an agreement with Pope Leo the first that they injure few people or buildings. -
476
Fall of the Emperor of Rome
The last western emperor Romulus Augustulus is deposed by the barbarian general Odoacer who then rules Italy.