391
| Millennium: | 1st millennium |
|---|---|
| Centuries: | 3rd century – 4th century – 5th century |
| Decades: | 360s 370s 380s – 390s – 400s 410s 420s |
| Years: | 388 389 390 – 391 – 392 393 394 |
| Gregorian calendar | 391 CCCXCI |
| Ab urbe condita | 1144 |
| Assyrian calendar | 5141 |
| Balinese saka calendar | 312–313 |
| Bengali calendar | −202 |
| Berber calendar | 1341 |
| Buddhist calendar | 935 |
| Burmese calendar | −247 |
| Byzantine calendar | 5899–5900 |
| Chinese calendar | 庚寅年 (Metal Tiger) 3087 or 3027 — to — 辛卯年 (Metal Rabbit) 3088 or 3028 |
| Coptic calendar | 107–108 |
| Discordian calendar | 1557 |
| Ethiopian calendar | 383–384 |
| Hebrew calendar | 4151–4152 |
| Hindu calendars | |
| - Vikram Samvat | 447–448 |
| - Shaka Samvat | 312–313 |
| - Kali Yuga | 3491–3492 |
| Holocene calendar | 10391 |
| Iranian calendar | 231 BP – 230 BP |
| Islamic calendar | 238 BH – 237 BH |
| Javanese calendar | 274–275 |
| Julian calendar | 391 CCCXCI |
| Korean calendar | 2724 |
| Minguo calendar | 1521 before ROC 民前1521年 |
| Nanakshahi calendar | −1077 |
| Seleucid era | 702/703 AG |
| Thai solar calendar | 933–934 |
| Tibetan calendar | 阳金虎年 (male Iron-Tiger) 517 or 136 or −636 — to — 阴金兔年 (female Iron-Rabbit) 518 or 137 or −635 |
391 (CCCXCI) was a common year starting on Wednesday of the Julian calendar, the 391st year of the Common Era (CE) and Anno Domini (AD) designations, the 391st year of the 1st millennium, the 91st year of the 4th century, and the 2nd year of the 390s decade. As of the start of 391, the Gregorian calendar was 1 day ahead of the Julian calendar, which was the dominant calendar of the time.
Events
[change | change source]- Theodosius, the Roman Emperor, decrees that Christianity should be the only religion allowed in the Empire.