| Millennium: | 1st millennium |
|---|---|
| Centuries: | 2nd century – 3rd century – 4th century |
| Decades: | 220s 230s 240s – 250s – 260s 270s 280s |
| Years: | 256 257 258 – 259 – 260 261 262 |
| 259 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 259 CCLIX |
| Ab urbe condita | 1012 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1585 – -1584 |
| Bengali calendar | -334 |
| Berber calendar | 1209 |
| Buddhist calendar | 803 |
| Burmese calendar | -379 |
| Byzantine calendar | 5767 – 5768 |
| Chinese calendar | 戊寅年十一月二十日 (2895/2955-11-20) — to —
己卯年十一月三十日(2896/2956-11-30) |
| Coptic calendar | -25 – -24 |
| Ethiopian calendar | 251 – 252 |
| Hebrew calendar | 4019 – 4020 |
| Hindu calendars | |
| - Bikram Samwat | 315 – 316 |
| - Shaka Samvat | 181 – 182 |
| - Kali Yuga | 3360 – 3361 |
| Holocene calendar | 10259 |
| Iranian calendar | 363 BP – 362 BP |
| Islamic calendar | 374 BH – 373 BH |
| Japanese calendar | |
| Korean calendar | 2592 |
| Thai solar calendar | 802 |