| Millennium: | 1st millennium |
|---|---|
| Centuries: | 1st century BC – 1st century – 2nd century |
| Decades: | 50s 60s 70s – 80s – 90s 100s 110s |
| Years: | 86 87 88 – 89 – 90 91 92 |
| 89 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 89 LXXXIX |
| Ab urbe condita | 842 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1755 – -1754 |
| Bengali calendar | -504 |
| Berber calendar | 1039 |
| Buddhist calendar | 633 |
| Burmese calendar | -549 |
| Byzantine calendar | 5597 – 5598 |
| Chinese calendar | 戊子年十二月初一日 (2725/2785-12-1) — to —
己丑年十一月十一日(2726/2786-11-11) |
| Coptic calendar | -195 – -194 |
| Ethiopian calendar | 81 – 82 |
| Hebrew calendar | 3849 – 3850 |
| Hindu calendars | |
| - Bikram Samwat | 145 – 146 |
| - Shaka Samvat | 11 – 12 |
| - Kali Yuga | 3190 – 3191 |
| Holocene calendar | 10089 |
| Iranian calendar | 533 BP – 532 BP |
| Islamic calendar | 549 BH – 548 BH |
| Japanese calendar | |
| Korean calendar | 2422 |
| Thai solar calendar | 632 |
Year 89 (LXXXIX) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.