| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 3rd century BC – 2nd century BC – 1st century BC |
| Decades: | 130s BC 120s BC 110s BC – 100s BC – 90s BC 80s BC 70s BC |
| Years: | 112 BC 111 BC 110 BC – 109 BC – 108 BC 107 BC 106 BC |
| 109 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 109 BC |
| Ab urbe condita | 645 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1952 – -1951 |
| Bengali calendar | -701 |
| Berber calendar | 842 |
| Buddhist calendar | 436 |
| Burmese calendar | -746 |
| Byzantine calendar | 5400 – 5401 |
| Chinese calendar | [[Sexagenary cycle|]]年 (2528/2588) — to —
[[Sexagenary cycle|]]年(2529/2589) |
| Coptic calendar | -392 – -391 |
| Ethiopian calendar | -116 – -115 |
| Hebrew calendar | 3652 – 3653 |
| Hindu calendars | |
| - Bikram Samwat | -52 – -51 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2993 – 2994 |
| Holocene calendar | 9892 |
| Iranian calendar | 730 BP – 729 BP |
| Islamic calendar | 752 BH – 751 BH |
| Japanese calendar | |
| Korean calendar | 2225 |
| Thai solar calendar | 435 |