| Millennium: | 1st millennium |
|---|---|
| Centuries: | 2nd century – 3rd century – 4th century |
| Decades: | 230s 240s 250s – 260s – 270s 280s 290s |
| Years: | 265 266 267 – 268 – 269 270 271 |
| 268 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 268 CCLXVIII |
| Ab urbe condita | 1021 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1576 – -1575 |
| Bengali calendar | -325 |
| Berber calendar | 1218 |
| Buddhist calendar | 812 |
| Burmese calendar | -370 |
| Byzantine calendar | 5776 – 5777 |
| Chinese calendar | 丁亥年十一月廿九日 (2904/2964-11-29) — to —
戊子年十一月初十日(2905/2965-11-10) |
| Coptic calendar | -16 – -15 |
| Ethiopian calendar | 260 – 261 |
| Hebrew calendar | 4028 – 4029 |
| Hindu calendars | |
| - Bikram Samwat | 324 – 325 |
| - Shaka Samvat | 190 – 191 |
| - Kali Yuga | 3369 – 3370 |
| Holocene calendar | 10268 |
| Iranian calendar | 354 BP – 353 BP |
| Islamic calendar | 365 BH – 364 BH |
| Japanese calendar | |
| Korean calendar | 2601 |
| Thai solar calendar | 811 |