| Millennium: | 1st millennium |
|---|---|
| Centuries: | 2nd century – 3rd century – 4th century |
| Decades: | 210s 220s 230s – 240s – 250s 260s 270s |
| Years: | 245 246 247 – 248 – 249 250 251 |
| 248 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 248 CCXLVIII |
| Ab urbe condita | 1001 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1596 – -1595 |
| Bengali calendar | -345 |
| Berber calendar | 1198 |
| Buddhist calendar | 792 |
| Burmese calendar | -390 |
| Byzantine calendar | 5756 – 5757 |
| Chinese calendar | 丁卯年十一月十八日 (2884/2944-11-18) — to —
戊辰年十一月廿九日(2885/2945-11-29) |
| Coptic calendar | -36 – -35 |
| Ethiopian calendar | 240 – 241 |
| Hebrew calendar | 4008 – 4009 |
| Hindu calendars | |
| - Bikram Samwat | 304 – 305 |
| - Shaka Samvat | 170 – 171 |
| - Kali Yuga | 3349 – 3350 |
| Holocene calendar | 10248 |
| Iranian calendar | 374 BP – 373 BP |
| Islamic calendar | 386 BH – 384 BH |
| Japanese calendar | |
| Korean calendar | 2581 |
| Thai solar calendar | 791 |