| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 13th century – 14th century – 15th century |
| Decades: | 1300s 1310s 1320s – 1330s – 1340s 1350s 1360s |
| Years: | 1328 1329 1330 – 1331 – 1332 1333 1334 |
| 1331 in topic: |
| Subjects: Archaeology – Architecture – |
| Art – Literature – Music – Science |
| Leaders: State leaders – Colonial governors |
| Category: Establishments – Disestablishments |
| Births – Deaths – Works |
Year 1331 (MCCCXXXI) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.
| Gregorian calendar | 1331 MCCCXXXI |
| Ab urbe condita | 2084 |
| Armenian calendar | 780 ԹՎ ՉՁ |
| Bahá'í calendar | -513 – -512 |
| Bengali calendar | 738 |
| Berber calendar | 2281 |
| Buddhist calendar | 1875 |
| Burmese calendar | 693 |
| Byzantine calendar | 6839 – 6840 |
| Chinese calendar | 庚午年十一月廿三日 (3967/4027-11-23) — to —
辛未年十二月初二日(3968/4028-12-2) |
| Coptic calendar | 1047 – 1048 |
| Ethiopian calendar | 1323 – 1324 |
| Hebrew calendar | 5091 – 5092 |
| Hindu calendars | |
| - Bikram Samwat | 1387 – 1388 |
| - Shaka Samvat | 1253 – 1254 |
| - Kali Yuga | 4432 – 4433 |
| Holocene calendar | 11331 |
| Iranian calendar | 709 – 710 |
| Islamic calendar | 731 – 732 |
| Japanese calendar | |
| Korean calendar | 3664 |
| Thai solar calendar | 1874 |