| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1391 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1391 in poetry |
| Gregorian calendar | 1391 MCCCXCI |
| Ab urbe condita | 2144 |
| Armenian calendar | 840 ԹՎ ՊԽ |
| Assyrian calendar | 6141 |
| Balinese saka calendar | 1312–1313 |
| Bengali calendar | 798 |
| Berber calendar | 2341 |
| English Regnal year | 14 Ric. 2 – 15 Ric. 2 |
| Buddhist calendar | 1935 |
| Burmese calendar | 753 |
| Byzantine calendar | 6899–6900 |
| Chinese calendar | 庚午年 (Metal Horse) 4088 or 3881 — to — 辛未年 (Metal Goat) 4089 or 3882 |
| Coptic calendar | 1107–1108 |
| Discordian calendar | 2557 |
| Ethiopian calendar | 1383–1384 |
| Hebrew calendar | 5151–5152 |
| Hindu calendars | |
| - Vikram Samvat | 1447–1448 |
| - Shaka Samvat | 1312–1313 |
| - Kali Yuga | 4491–4492 |
| Holocene calendar | 11391 |
| Igbo calendar | 391–392 |
| Iranian calendar | 769–770 |
| Islamic calendar | 793–794 |
| Japanese calendar | Meitoku 2 (明徳２年) |
| Javanese calendar | 1304–1305 |
| Julian calendar | 1391 MCCCXCI |
| Korean calendar | 3724 |
| Minguo calendar | 521 before ROC 民前521年 |
| Nanakshahi calendar | −77 |
| Thai solar calendar | 1933–1934 |
| Tibetan calendar | 阳金马年 (male Iron-Horse) 1517 or 1136 or 364 — to — 阴金羊年 (female Iron-Goat) 1518 or 1137 or 365 |
Year 1391 (MCCCXCI) was a common year starting on Sunday of the Julian calendar.