| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1131 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1131 in poetry |
| Gregorian calendar | 1131 MCXXXI |
| Ab urbe condita | 1884 |
| Armenian calendar | 580 ԹՎ ՇՁ |
| Assyrian calendar | 5881 |
| Balinese saka calendar | 1052–1053 |
| Bengali calendar | 538 |
| Berber calendar | 2081 |
| English Regnal year | 31 Hen. 1 – 32 Hen. 1 |
| Buddhist calendar | 1675 |
| Burmese calendar | 493 |
| Byzantine calendar | 6639–6640 |
| Chinese calendar | 庚戌年 (Metal Dog) 3828 or 3621 — to — 辛亥年 (Metal Pig) 3829 or 3622 |
| Coptic calendar | 847–848 |
| Discordian calendar | 2297 |
| Ethiopian calendar | 1123–1124 |
| Hebrew calendar | 4891–4892 |
| Hindu calendars | |
| - Vikram Samvat | 1187–1188 |
| - Shaka Samvat | 1052–1053 |
| - Kali Yuga | 4231–4232 |
| Holocene calendar | 11131 |
| Igbo calendar | 131–132 |
| Iranian calendar | 509–510 |
| Islamic calendar | 525–526 |
| Japanese calendar | Daiji 6 / Tenshō 1 (天承元年) |
| Javanese calendar | 1036–1038 |
| Julian calendar | 1131 MCXXXI |
| Korean calendar | 3464 |
| Minguo calendar | 781 before ROC 民前781年 |
| Nanakshahi calendar | −337 |
| Seleucid era | 1442/1443 AG |
| Thai solar calendar | 1673–1674 |
| Tibetan calendar | 阳金狗年 (male Iron-Dog) 1257 or 876 or 104 — to — 阴金猪年 (female Iron-Pig) 1258 or 877 or 105 |
Year 1131 (MCXXXI) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.