| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1089 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Gregorian calendar | 1089 MLXXXIX |
| Ab urbe condita | 1842 |
| Armenian calendar | 538 ԹՎ ՇԼԸ |
| Assyrian calendar | 5839 |
| Balinese saka calendar | 1010–1011 |
| Bengali calendar | 496 |
| Berber calendar | 2039 |
| English Regnal year | 2 Will. 2 – 3 Will. 2 |
| Buddhist calendar | 1633 |
| Burmese calendar | 451 |
| Byzantine calendar | 6597–6598 |
| Chinese calendar | 戊辰年 (Earth Dragon) 3786 or 3579 — to — 己巳年 (Earth Snake) 3787 or 3580 |
| Coptic calendar | 805–806 |
| Discordian calendar | 2255 |
| Ethiopian calendar | 1081–1082 |
| Hebrew calendar | 4849–4850 |
| Hindu calendars | |
| - Vikram Samvat | 1145–1146 |
| - Shaka Samvat | 1010–1011 |
| - Kali Yuga | 4189–4190 |
| Holocene calendar | 11089 |
| Igbo calendar | 89–90 |
| Iranian calendar | 467–468 |
| Islamic calendar | 481–482 |
| Japanese calendar | Kanji 3 (寛治３年) |
| Javanese calendar | 993–994 |
| Julian calendar | 1089 MLXXXIX |
| Korean calendar | 3422 |
| Minguo calendar | 823 before ROC 民前823年 |
| Nanakshahi calendar | −379 |
| Seleucid era | 1400/1401 AG |
| Thai solar calendar | 1631–1632 |
| Tibetan calendar | 阳土龙年 (male Earth-Dragon) 1215 or 834 or 62 — to — 阴土蛇年 (female Earth-Snake) 1216 or 835 or 63 |
Year 1089 (MLXXXIX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.