| Millennium: | 1st millennium |
|---|---|
| Centuries: | 2nd century – 3rd century – 4th century |
| Decades: | 250s 260s 270s – 280s – 290s 300s 310s |
| Years: | 282 283 284 – 285 – 286 287 288 |
| 285 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 285 CCLXXXV |
| Ab urbe condita | 1038 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1559 – -1558 |
| Bengali calendar | -308 |
| Berber calendar | 1235 |
| Buddhist calendar | 829 |
| Burmese calendar | -353 |
| Byzantine calendar | 5793 – 5794 |
| Chinese calendar | 甲辰年十二月初八日 (2921/2981-12-8) — to —
乙巳年十一月十八日(2922/2982-11-18) |
| Coptic calendar | 1 – 2 |
| Ethiopian calendar | 277 – 278 |
| Hebrew calendar | 4045 – 4046 |
| Hindu calendars | |
| - Bikram Samwat | 341 – 342 |
| - Shaka Samvat | 207 – 208 |
| - Kali Yuga | 3386 – 3387 |
| Holocene calendar | 10285 |
| Iranian calendar | 337 BP – 336 BP |
| Islamic calendar | 347 BH – 346 BH |
| Japanese calendar | |
| Korean calendar | 2618 |
| Thai solar calendar | 828 |