1431
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1431 by topic | 
|---|
| Arts and science | 
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1431 in poetry | 
| Gregorian calendar | 1431 MCDXXXI | 
| Ab urbe condita | 2184 | 
| Armenian calendar | 880 ԹՎ ՊՁ | 
| Assyrian calendar | 6181 | 
| Balinese saka calendar | 1352–1353 | 
| Bengali calendar | 837–838 | 
| Berber calendar | 2381 | 
| English Regnal year | 9 Hen. 6 – 10 Hen. 6 | 
| Buddhist calendar | 1975 | 
| Burmese calendar | 793 | 
| Byzantine calendar | 6939–6940 | 
| Chinese calendar | 庚戌年 (Metal Dog) 4128 or 3921 — to — 辛亥年 (Metal Pig) 4129 or 3922 | 
| Coptic calendar | 1147–1148 | 
| Discordian calendar | 2597 | 
| Ethiopian calendar | 1423–1424 | 
| Hebrew calendar | 5191–5192 | 
| Hindu calendars | |
| - Vikram Samvat | 1487–1488 | 
| - Shaka Samvat | 1352–1353 | 
| - Kali Yuga | 4531–4532 | 
| Holocene calendar | 11431 | 
| Igbo calendar | 431–432 | 
| Iranian calendar | 809–810 | 
| Islamic calendar | 834–835 | 
| Japanese calendar | Eikyō 3 (永享3年) | 
| Javanese calendar | 1346–1347 | 
| Julian calendar | 1431 MCDXXXI | 
| Korean calendar | 3764 | 
| Minguo calendar | 481 before ROC 民前481年 | 
| Nanakshahi calendar | −37 | 
| Thai solar calendar | 1973–1974 | 
| Tibetan calendar | 阳金狗年 (male Iron-Dog) 1557 or 1176 or 404 — to — 阴金猪年 (female Iron-Pig) 1558 or 1177 or 405 | 
Year 1431 (MCDXXXI) was a common year starting on Monday of the Julian calendar.