312

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Millennium: 1st millennium
Centuries:
Decades:
Years:
312 in various calendars
Gregorian calendar 312
CCCXII
Ab urbe condita 1065
Assyrian calendar 5062
Balinese saka calendar 233–234
Bengali calendar −281
Berber calendar 1262
Buddhist calendar 856
Burmese calendar −326
Byzantine calendar 5820–5821
Chinese calendar 辛未(Metal Goat)
3008 or 2948
    — to —
壬申年 (Water Monkey)
3009 or 2949
Coptic calendar 28–29
Discordian calendar 1478
Ethiopian calendar 304–305
Hebrew calendar 4072–4073
Hindu calendars
 - Vikram Samvat 368–369
 - Shaka Samvat 233–234
 - Kali Yuga 3412–3413
Holocene calendar 10312
Iranian calendar 310 BP – 309 BP
Islamic calendar 320 BH – 319 BH
Javanese calendar 192–193
Julian calendar 312
CCCXII
Korean calendar 2645
Minguo calendar 1600 before ROC
民前1600年
Nanakshahi calendar −1156
Seleucid era 623/624 AG
Thai solar calendar 854–855
Tibetan calendar 阴金羊年
(female Iron-Goat)
438 or 57 or −715
    — to —
阳水猴年
(male Water-Monkey)
439 or 58 or −714

Year 312 (CCCXII) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantinus and Licinianus (or, less frequently, year 1065 Ab urbe condita). The denomination 312 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.

Events[edit]

By place[edit]

Roman Empire[edit]

By topic[edit]

Religion[edit]

  • Constantine I adopts the words "in hoc signo vinces" as a motto and have the letters X and P (the first letters of the Greek word Christ) emblazoned on the shields of his soldiers.
  • The Council of Carthage supports Donatism, which espouses a rigorous application and interpretation of the sacraments. These doctrines will be condemned by the Council of Arles.
  • Constantine I promotes a policy of state sponsorship of Christianity, perhaps even becoming a Christian himself (see Constantine the Great and Christianity).

Births[edit]

Deaths[edit]

References[edit]