| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 3rd century BC – 2nd century BC – 1st century BC |
| Decades: | 150s BC 140s BC 130s BC – 120s BC – 110s BC 100s BC 90s BC |
| Years: | 129 BC 128 BC 127 BC – 126 BC – 125 BC 124 BC 123 BC |
| 126 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 126 BC |
| Ab urbe condita | 628 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1969 – -1968 |
| Bengali calendar | -718 |
| Berber calendar | 825 |
| Buddhist calendar | 419 |
| Burmese calendar | -763 |
| Byzantine calendar | 5383 – 5384 |
| Chinese calendar | 甲年 (2511/2571) — to —
[[Sexagenary cycle|]]年(2512/2572) |
| Coptic calendar | -409 – -408 |
| Ethiopian calendar | -133 – -132 |
| Hebrew calendar | 3635 – 3636 |
| Hindu calendars | |
| - Bikram Samwat | -69 – -68 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2976 – 2977 |
| Holocene calendar | 9875 |
| Iranian calendar | 747 BP – 746 BP |
| Islamic calendar | 770 BH – 769 BH |
| Japanese calendar | |
| Korean calendar | 2208 |
| Thai solar calendar | 418 |