| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 4th century BC – 3rd century BC – 2nd century BC |
| Decades: | 270s BC 260s BC 250s BC – 240s BC – 230s BC 220s BC 210s BC |
| Years: | 251 BC 250 BC 249 BC – 248 BC – 247 BC 246 BC 245 BC |
| 248 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 248 BC |
| Ab urbe condita | 506 |
| Armenian calendar | N/A |
| Bahá'í calendar | -2091 – -2090 |
| Bengali calendar | -840 |
| Berber calendar | 703 |
| Buddhist calendar | 297 |
| Burmese calendar | -885 |
| Byzantine calendar | 5261 – 5262 |
| Chinese calendar | 子年 (2389/2449) — to —
[[Sexagenary cycle|]]年(2390/2450) |
| Coptic calendar | -531 – -530 |
| Ethiopian calendar | -255 – -254 |
| Hebrew calendar | 3513 – 3514 |
| Hindu calendars | |
| - Bikram Samwat | -191 – -190 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2854 – 2855 |
| Holocene calendar | 9753 |
| Iranian calendar | 869 BP – 868 BP |
| Islamic calendar | 896 BH – 895 BH |
| Japanese calendar | |
| Korean calendar | 2086 |
| Thai solar calendar | 296 |