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Millennium: 1st millennium
308 in various calendars
Gregorian calendar308
Ab urbe condita1061
Assyrian calendar5058
Balinese saka calendar229–230
Bengali calendar−285
Berber calendar1258
Buddhist calendar852
Burmese calendar−330
Byzantine calendar5816–5817
Chinese calendar丁卯年 (Fire Rabbit)
3004 or 2944
    — to —
戊辰年 (Earth Dragon)
3005 or 2945
Coptic calendar24–25
Discordian calendar1474
Ethiopian calendar300–301
Hebrew calendar4068–4069
Hindu calendars
 - Vikram Samvat364–365
 - Shaka Samvat229–230
 - Kali Yuga3408–3409
Holocene calendar10308
Iranian calendar314 BP – 313 BP
Islamic calendar324 BH – 323 BH
Javanese calendar188–189
Julian calendar308
Korean calendar2641
Minguo calendar1604 before ROC
Nanakshahi calendar−1160
Seleucid era619/620 AG
Thai solar calendar850–851
Tibetan calendar阴火兔年
(female Fire-Rabbit)
434 or 53 or −719
    — to —
(male Earth-Dragon)
435 or 54 or −718

Year 308 (CCCVIII) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. It was known in the Roman Empire as the Year of the Consulship of Diocletian and (Galerius) Maximianus (or, less frequently, year 1061 Ab urbe condita). The denomination 308 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.


By place[edit]

Roman Empire[edit]

  • Winter: Emperor Galerius wins his third and final victory over the Sarmatians.
  • April: In Rome, Emperor Maximian attempts to depose his son Maxentius, but the soldiers in Rome side with Maxentius and force Maximian to flee to the court of Constantine I.
  • The overthrow of Maximian prompts the soldiers of Roman Africa to prop up the vicarius of Africa, Domitius Alexander, as a usurper.
  • Constantine raids the territory of the Bructeri and builds a bridge across the Rhine at Cologne.
  • November 11 – The Conference of Carnuntum: Attempting to keep peace within the Roman Empire, Galerius recalls Diocletian briefly from retirement, and they convene with Maximian. Diocletian persuades Maximian to return to retirement, and he and Galerius declare Maxentius a public enemy. Licinius is proclaimed Augustus of the west, while rival contender Constantine I is again declared Caesar.
  • Bereft of his father's support, Maxentius increasingly presents himself as the Conservator Urbis Suae (Preserver of His Own City). Construction of the Basilica of Maxentius (or Basilica Nova), the largest building in the Roman Forum, is begun.
  • Maxentius institutes toleration of the Christians in his territories.


By topic[edit]