| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1090 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Gregorian calendar | 1090 MXC |
| Ab urbe condita | 1843 |
| Armenian calendar | 539 ԹՎ ՇԼԹ |
| Assyrian calendar | 5840 |
| Balinese saka calendar | 1011–1012 |
| Bengali calendar | 497 |
| Berber calendar | 2040 |
| English Regnal year | 3 Will. 2 – 4 Will. 2 |
| Buddhist calendar | 1634 |
| Burmese calendar | 452 |
| Byzantine calendar | 6598–6599 |
| Chinese calendar | 己巳年 (Earth Snake) 3787 or 3580 — to — 庚午年 (Metal Horse) 3788 or 3581 |
| Coptic calendar | 806–807 |
| Discordian calendar | 2256 |
| Ethiopian calendar | 1082–1083 |
| Hebrew calendar | 4850–4851 |
| Hindu calendars | |
| - Vikram Samvat | 1146–1147 |
| - Shaka Samvat | 1011–1012 |
| - Kali Yuga | 4190–4191 |
| Holocene calendar | 11090 |
| Igbo calendar | 90–91 |
| Iranian calendar | 468–469 |
| Islamic calendar | 482–483 |
| Japanese calendar | Kanji 4 (寛治４年) |
| Javanese calendar | 994–995 |
| Julian calendar | 1090 MXC |
| Korean calendar | 3423 |
| Minguo calendar | 822 before ROC 民前822年 |
| Nanakshahi calendar | −378 |
| Seleucid era | 1401/1402 AG |
| Thai solar calendar | 1632–1633 |
| Tibetan calendar | 阴土蛇年 (female Earth-Snake) 1216 or 835 or 63 — to — 阳金马年 (male Iron-Horse) 1217 or 836 or 64 |
Year 1090 (MXC) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.