1086
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1086 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Gregorian calendar | 1086 MLXXXVI | 
| Ab urbe condita | 1839 | 
| Armenian calendar | 535 ԹՎ ՇԼԵ | 
| Assyrian calendar | 5836 | 
| Balinese saka calendar | 1007–1008 | 
| Bengali calendar | 492–493 | 
| Berber calendar | 2036 | 
| English Regnal year | 20 Will. 1 – 21 Will. 1 | 
| Buddhist calendar | 1630 | 
| Burmese calendar | 448 | 
| Byzantine calendar | 6594–6595 | 
| Chinese calendar | 乙丑年 (Wood Ox) 3783 or 3576 — to — 丙寅年 (Fire Tiger) 3784 or 3577 | 
| Coptic calendar | 802–803 | 
| Discordian calendar | 2252 | 
| Ethiopian calendar | 1078–1079 | 
| Hebrew calendar | 4846–4847 | 
| Hindu calendars | |
| - Vikram Samvat | 1142–1143 | 
| - Shaka Samvat | 1007–1008 | 
| - Kali Yuga | 4186–4187 | 
| Holocene calendar | 11086 | 
| Igbo calendar | 86–87 | 
| Iranian calendar | 464–465 | 
| Islamic calendar | 478–479 | 
| Japanese calendar | Ōtoku 3 (応徳3年) | 
| Javanese calendar | 990–991 | 
| Julian calendar | 1086 MLXXXVI | 
| Korean calendar | 3419 | 
| Minguo calendar | 826 before ROC 民前826年 | 
| Nanakshahi calendar | −382 | 
| Seleucid era | 1397/1398 AG | 
| Thai solar calendar | 1628–1629 | 
| Tibetan calendar | 阴木牛年 (female Wood-Ox) 1212 or 831 or 59 — to — 阳火虎年 (male Fire-Tiger) 1213 or 832 or 60 | 
Year 1086 (MLXXXVI) was a common year starting on Thursday of the Julian calendar.