312
year
312 (CCCXII)was a leap year starting on Tuesday of the Julian calendar, the 312th year of the Common Era (CE) and Anno Domini (AD) designations, the 312th year of the 1st millennium, the 12th year of the 4th century, and the 3rd year of the 310s decade. As of the start of 312, the Gregorian calendar was 1 day ahead of the Julian calendar, which was the dominant calendar of the time.
Millennium: | 1st millennium |
---|---|
Centuries: | 3rd century – 4th century – 5th century |
Decades: | 280s 290s 300s – 310s – 320s 330s 340s |
Years: | 309 310 311 – 312 – 313 314 315 |
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 | 辛未年 (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 |
Events
change- October 28 – Battle of Milvian Bridge: Constantine I defeats Maxentius and becomes the only Roman Emperor in the West.
- Construction of the Arch of Constantine in Rome begun.
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