| Years |
|---|
| Millennium |
| 2nd millennium |
| Centuries |
| Decades |
| Years |
| Gregorian calendar | 1290 MCCXC |
| Ab urbe condita | 2043 |
| Armenian calendar | 739 ԹՎ ՉԼԹ |
| Assyrian calendar | 6040 |
| Balinese saka calendar | 1211–1212 |
| Bengali calendar | 697 |
| Berber calendar | 2240 |
| English Regnal year | 18 Edw. 1 – 19 Edw. 1 |
| Buddhist calendar | 1834 |
| Burmese calendar | 652 |
| Byzantine calendar | 6798–6799 |
| Chinese calendar | 己丑年 (Earth Ox) 3986 or 3926 — to — 庚寅年 (Metal Tiger) 3987 or 3927 |
| Coptic calendar | 1006–1007 |
| Discordian calendar | 2456 |
| Ethiopian calendar | 1282–1283 |
| Hebrew calendar | 5050–5051 |
| Hindu calendars | |
| - Vikram Samvat | 1346–1347 |
| - Shaka Samvat | 1211–1212 |
| - Kali Yuga | 4390–4391 |
| Holocene calendar | 11290 |
| Igbo calendar | 290–291 |
| Iranian calendar | 668–669 |
| Islamic calendar | 688–689 |
| Japanese calendar | Shōō 3 (正応3年) |
| Javanese calendar | 1200–1201 |
| Julian calendar | 1290 MCCXC |
| Korean calendar | 3623 |
| Minguo calendar | 622 before ROC 民前622年 |
| Nanakshahi calendar | −178 |
| Thai solar calendar | 1832–1833 |
| Tibetan calendar | ས་མོ་གླང་ལོ་ (female Earth-Ox) 1416 or 1035 or 263 — to — ལྕགས་ཕོ་སྟག་ལོ་ (male Iron-Tiger) 1417 or 1036 or 264 |
1290 (MCCXC) was a common year starting on Sunday of the Julian calendar, the 1290th year of the Common Era (CE) and Anno Domini (AD) designations, the 290th year of the 2nd millennium, the 90th year of the 13th century, and the 1st year of the 1290s decade. As of the start of 1290, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.