| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 3rd century BC – 2nd century BC – 1st century BC |
| Decades: | 160s BC 150s BC 140s BC – 130s BC – 120s BC 110s BC 100s BC |
| Years: | 142 BC 141 BC 140 BC – 139 BC – 138 BC 137 BC 136 BC |
| 139 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 139 BC |
| Ab urbe condita | 615 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1982 – -1981 |
| Bengali calendar | -731 |
| Berber calendar | 812 |
| Buddhist calendar | 406 |
| Burmese calendar | -776 |
| Byzantine calendar | 5370 – 5371 |
| Chinese calendar | [[Sexagenary cycle|]]年 (2498/2558) — to —
[[Sexagenary cycle|]]年(2499/2559) |
| Coptic calendar | -422 – -421 |
| Ethiopian calendar | -146 – -145 |
| Hebrew calendar | 3622 – 3623 |
| Hindu calendars | |
| - Bikram Samwat | -82 – -81 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2963 – 2964 |
| Holocene calendar | 9862 |
| Iranian calendar | 760 BP – 759 BP |
| Islamic calendar | 783 BH – 782 BH |
| Japanese calendar | |
| Korean calendar | 2195 |
| Thai solar calendar | 405 |