| Millennium: | 1st millennium |
|---|---|
| Centuries: | 2nd century – 3rd century – 4th century |
| Decades: | 220s 230s 240s – 250s – 260s 270s 280s |
| Years: | 255 256 257 – 258 – 259 260 261 |
| 258 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 258 CCLVIII |
| Ab urbe condita | 1011 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1586 – -1585 |
| Bengali calendar | -335 |
| Berber calendar | 1208 |
| Buddhist calendar | 802 |
| Burmese calendar | -380 |
| Byzantine calendar | 5766 – 5767 |
| Chinese calendar | 丁丑年十一月初十日 (2894/2954-11-10) — to —
戊寅年十一月十九日(2895/2955-11-19) |
| Coptic calendar | -26 – -25 |
| Ethiopian calendar | 250 – 251 |
| Hebrew calendar | 4018 – 4019 |
| Hindu calendars | |
| - Bikram Samwat | 314 – 315 |
| - Shaka Samvat | 180 – 181 |
| - Kali Yuga | 3359 – 3360 |
| Holocene calendar | 10258 |
| Iranian calendar | 364 BP – 363 BP |
| Islamic calendar | 375 BH – 374 BH |
| Japanese calendar | |
| Korean calendar | 2591 |
| Thai solar calendar | 801 |