| Millennium: | 1st millennium |
|---|---|
| Centuries: | 2nd century – 3rd century – 4th century |
| Decades: | 250s 260s 270s – 280s – 290s 300s 310s |
| Years: | 278 279 280 – 281 – 282 283 284 |
| 281 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 281 CCLXXXI |
| Ab urbe condita | 1034 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1563 – -1562 |
| Bengali calendar | -312 |
| Berber calendar | 1231 |
| Buddhist calendar | 825 |
| Burmese calendar | -357 |
| Byzantine calendar | 5789 – 5790 |
| Chinese calendar | 庚子年十一月廿四日 (2917/2977-11-24) — to —
辛丑年十二月初四日(2918/2978-12-4) |
| Coptic calendar | -3 – -2 |
| Ethiopian calendar | 273 – 274 |
| Hebrew calendar | 4041 – 4042 |
| Hindu calendars | |
| - Bikram Samwat | 337 – 338 |
| - Shaka Samvat | 203 – 204 |
| - Kali Yuga | 3382 – 3383 |
| Holocene calendar | 10281 |
| Iranian calendar | 341 BP – 340 BP |
| Islamic calendar | 352 BH – 350 BH |
| Japanese calendar | |
| Korean calendar | 2614 |
| Thai solar calendar | 824 |