Tales of the Gallae Timeline

253-260

Valerian and his son Gallienus co-emperors, while Valerian campaigns in the East and Gallienus governs the West of the Empire.

253

Persian War flares up again, Antioch lost to Persia.

254-262

Revolts of Bagaudae, insurgent peasants, in Gaul and Spain.

257-260

Persecution of Christian by Valerian.

260

Valerian taken prisoner by Persians at Edesa.

260-268

Gallienus sole emperor.

260

Gallienus extends tolerance to Christians.

260-272

Queen Zenobia of Palmyra seizes large areas of Asia Minor, Syria, and Egypt and sets up an independant empire until defeated and taken prisoner by Aurelian.

261-274

Separatist empire set up in Gaul by Postumus (261-268) and Tetricus (270-274).

268-270

Claudius II Gothicus emperor.

270-275

Aurelian emperor.

276-282

Probus emperor.

282-283

Carus emperor.

282-285

Carinus at first co-emperor with Carus and then sole emperor.

283

Persian campaign of Carus.

284-305

Diocletian and Maximian co-emperors.

Tax Reforms

While Augustus, Diocletion had made several major reforms to both the military and to taxation. He devised a standardised system of taxation, but one that depended upon maintaining a status quo as regards levels and type of employment. As a result of this, he made professions hereditary, thereby creating a "caste system" within Roman society.

293

Diocletian creates tetrarchy with himself and Maximian as co-Augusti in the East and West, and Galerius and Constantius Chlorus as co-Caesars.

297

The Empire is divided administratively into twelve dioceses, each ruled by a vicarius.

301

The Edict of Maximum Prices imposed throughout the Empire.

303

Diocletian persecutes the Christians.

305

Diocletian abdicates and forces Maximian to do likewise. Galerius and Constantius Chlorus co-Augusti.

306

Constantine declared co-Augustus after death of his father Constantius Chlorus, but Galerius recognizes the Illyrian Severus in that rank and confers the title of Caesar on Constantine.

306

Maxentius, son of Maximian, hailed as legitimate successor by the Praetorian Guard and the city of Rome; heads revolt against Constantine. His father comes out of retirement to profit from the situation, first on one side, then on the other.

308

At an imperial conference of Diocletian, Galerius and Maximian at Carnuntum Licinius is declared Augustus of the West, setting off an armed conflict between all rival contenders.

310

Maximius Daia, nephew of Galerius, assumes on his own initiative the title of Augustus.

311

An edict of tolerance for Christians issued by Galerius shortly before his death.

312

Constantine's victory over Maxentius in battle at the Milvian Bridge puts Rome in his hands.

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