| 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: | 248 BC 247 BC 246 BC – 245 BC – 244 BC 243 BC 242 BC |
| 245 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 245 BC |
| Ab urbe condita | 509 |
| Armenian calendar | N/A |
| Bahá'í calendar | -2088 – -2087 |
| Bengali calendar | -837 |
| Berber calendar | 706 |
| Buddhist calendar | 300 |
| Burmese calendar | -882 |
| Byzantine calendar | 5264 – 5265 |
| Chinese calendar | [[Sexagenary cycle|]]年 (2392/2452) — to —
[[Sexagenary cycle|]]年(2393/2453) |
| Coptic calendar | -528 – -527 |
| Ethiopian calendar | -252 – -251 |
| Hebrew calendar | 3516 – 3517 |
| Hindu calendars | |
| - Bikram Samwat | -188 – -187 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2857 – 2858 |
| Holocene calendar | 9756 |
| Iranian calendar | 866 BP – 865 BP |
| Islamic calendar | 893 BH – 892 BH |
| Japanese calendar | |
| Korean calendar | 2089 |
| Thai solar calendar | 299 |