| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 3rd century BC – 2nd century BC – 1st century BC |
| Decades: | 170s BC 160s BC 150s BC – 140s BC – 130s BC 120s BC 110s BC |
| Years: | 143 BC 142 BC 141 BC – 140 BC – 139 BC 138 BC 137 BC |
| 140 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 140 BC |
| Ab urbe condita | 614 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1983 – -1982 |
| Bengali calendar | -732 |
| Berber calendar | 811 |
| Buddhist calendar | 405 |
| Burmese calendar | -777 |
| Byzantine calendar | 5369 – 5370 |
| Chinese calendar | 子年 (2497/2557) — to —
[[Sexagenary cycle|]]年(2498/2558) |
| Coptic calendar | -423 – -422 |
| Ethiopian calendar | -147 – -146 |
| Hebrew calendar | 3621 – 3622 |
| Hindu calendars | |
| - Bikram Samwat | -83 – -82 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2962 – 2963 |
| Holocene calendar | 9861 |
| Iranian calendar | 761 BP – 760 BP |
| Islamic calendar | 784 BH – 783 BH |
| Japanese calendar | |
| Korean calendar | 2194 |
| Thai solar calendar | 404 |