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Millennium: 1st millennium
297 in various calendars
Gregorian calendar297
Ab urbe condita1050
Assyrian calendar5047
Balinese saka calendar218–219
Bengali calendar−296
Berber calendar1247
Buddhist calendar841
Burmese calendar−341
Byzantine calendar5805–5806
Chinese calendar丙辰年 (Fire Dragon)
2993 or 2933
    — to —
丁巳年 (Fire Snake)
2994 or 2934
Coptic calendar13–14
Discordian calendar1463
Ethiopian calendar289–290
Hebrew calendar4057–4058
Hindu calendars
 - Vikram Samvat353–354
 - Shaka Samvat218–219
 - Kali Yuga3397–3398
Holocene calendar10297
Iranian calendar325 BP – 324 BP
Islamic calendar335 BH – 334 BH
Javanese calendar177–178
Julian calendar297
Korean calendar2630
Minguo calendar1615 before ROC
Nanakshahi calendar−1171
Seleucid era608/609 AG
Thai solar calendar839–840
Tibetan calendar阳火龙年
(male Fire-Dragon)
423 or 42 or −730
    — to —
(female Fire-Snake)
424 or 43 or −729

Year 297 (CCXCVII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Valerius and Valerius (or, less frequently, year 1050 Ab urbe condita). The denomination 297 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]

  • Emperor Diocletian introduces an empire-wide taxation system based on census and indiction.
  • Diocletian watches over the Syrian provinces while Caesar Galerius makes preparations for a campaign against the Persian king Narseh. He recruits veterans from Illyria and Moesia, recruits new soldiers, and strengthens his army with Gothic mercenaries and the Armenian units of Tiridates III.
  • August: Domitius Domitianus launches a usurpation against Diocletian in Egypt. He is perhaps aided by popular discontent with Diocletian's taxation reform.
  • Autumn: Diocletian besieges the rebels in Alexandria.
  • December: Domitianus dies, but his corrector Aurelius Achilleus takes over as the leader of the rebellion.
  • Battle of Satala: Galerius launches a surprise attack against Narseh's camp in western Armenia. The Romans sack the camp and capture Narseh's wives, sisters and daughters, including his Queen of Queens Arsane. Narseh is wounded and escapes to his empire.