A Short History of the Middle Ages Fourth Edition
Chapter One Key Events
212 Roman citizenship granted to all free inhabitants of the provinces
235–284 Crisis of the Third Century
284–305 Reign of Diocletian
306–337 Reign of Constantine
313 Edict of Milan
325 Council of Nicaea
378 Battle of Adrianople; Emperor Valens killed by Visigoths
380 Edict of Thessalonica; Christian becomes the official religion of
the Roman Empire
410 Visigoths sack Rome
476 Deposition of Romulus Augustulus
c.530–560 The Benedictine Rule written
527–565 Emperor Justinian
541–750 The “Plague of Justinian”
590–604 Pope Gregory the Great