| Millennium: | 1st millennium |
|---|---|
| Centuries: | 2nd century – 3rd century – 4th century |
| Decades: | 200s 210s 220s – 230s – 240s 250s 260s |
| Years: | 236 237 238 – 239 – 240 241 242 |
| 239 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 239 CCXXXIX |
| Ab urbe condita | 992 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1605 – -1604 |
| Bengali calendar | -354 |
| Berber calendar | 1189 |
| Buddhist calendar | 783 |
| Burmese calendar | -399 |
| Byzantine calendar | 5747 – 5748 |
| Chinese calendar | 戊午年十二月初九日 (2875/2935-12-9) — to —
己未年十二月十九日(2876/2936-12-19) |
| Coptic calendar | -45 – -44 |
| Ethiopian calendar | 231 – 232 |
| Hebrew calendar | 3999 – 4000 |
| Hindu calendars | |
| - Bikram Samwat | 295 – 296 |
| - Shaka Samvat | 161 – 162 |
| - Kali Yuga | 3340 – 3341 |
| Holocene calendar | 10239 |
| Iranian calendar | 383 BP – 382 BP |
| Islamic calendar | 395 BH – 394 BH |
| Japanese calendar | |
| Korean calendar | 2572 |
| Thai solar calendar | 782 |