Death of Gallienus, 284 _M. Aurelius Claudius Gothicus_, 284 Victory of Claudius over the Goths. Claudius dies of the plague, 284 _Aurelian_, 284 Dacia resigned to the Goths, 285 War with Zenobia. Longinus executed, 286 National development of France, 286 Murder of Aurelian, 287 _Tacitus_, 287 _Probus_, 288 _Carus_, 289 _Carinus_, 290 DIOCLETIAN. LITERATURE AND GENERAL STATE OF THE THEN WORLD. MAXIMIAN. HIS SUCCESSORS. CONSTANTINE. _Diocletian_, 291 Outbreak of the plague, 291 Literature. Nemesian. Calpurnius. Lactantius, 292 Arnobius. New-Platonism, 293 Character of Diocletian, 293 Diocletian takes Maximian as his colleague, 293 New plan of administration of Diocletian, 294 _Galerius._ _Constantius_, 295 Revolt of Britain under Carausius, 296 Reduction of Egypt. Campaign of Galerius against Persia, 296 Persecutions of the Christians, 297 Resignation of Diocletian and Maximian, 297 _Severus_, and _Maximus Daza_, appointed Cæsars, 297 Return of Maximian. _Maxentius_, 297 _Constantius_, 298 Licinius, 298 Death of Maximian, 299 War of Constantius with his colleague, 299 Battle near Adrianople, 300 Wars, 300 Oppression of taxes, 301 Change in the monetary system, 301 Character of Constantine, 302 His establishment of the Christian religion, 302 His cruelty in the last years of his life, 303 Constantinople, 303