| 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: | 127 BC 126 BC 125 BC – 124 BC – 123 BC 122 BC 121 BC |
| 124 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 124 BC |
| Ab urbe condita | 630 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1967 – -1966 |
| Bengali calendar | -716 |
| Berber calendar | 827 |
| Buddhist calendar | 421 |
| Burmese calendar | -761 |
| Byzantine calendar | 5385 – 5386 |
| Chinese calendar | [[Sexagenary cycle|]]年 (2513/2573) — to —
[[Sexagenary cycle|]]年(2514/2574) |
| Coptic calendar | -407 – -406 |
| Ethiopian calendar | -131 – -130 |
| Hebrew calendar | 3637 – 3638 |
| Hindu calendars | |
| - Bikram Samwat | -67 – -66 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2978 – 2979 |
| Holocene calendar | 9877 |
| Iranian calendar | 745 BP – 744 BP |
| Islamic calendar | 768 BH – 767 BH |
| Japanese calendar | |
| Korean calendar | 2210 |
| Thai solar calendar | 420 |