| 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: | 106 BC 105 BC 104 BC – 103 BC – 102 BC 101 BC 100 BC |
| 103 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 103 BC |
| Ab urbe condita | 651 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1946 – -1945 |
| Bengali calendar | -695 |
| Berber calendar | 848 |
| Buddhist calendar | 442 |
| Burmese calendar | -740 |
| Byzantine calendar | 5406 – 5407 |
| Chinese calendar | [[Sexagenary cycle|]]年 (2534/2594) — to —
[[Sexagenary cycle|]]年(2535/2595) |
| Coptic calendar | -386 – -385 |
| Ethiopian calendar | -110 – -109 |
| Hebrew calendar | 3658 – 3659 |
| Hindu calendars | |
| - Bikram Samwat | -46 – -45 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2999 – 3000 |
| Holocene calendar | 9898 |
| Iranian calendar | 724 BP – 723 BP |
| Islamic calendar | 746 BH – 745 BH |
| Japanese calendar | |
| Korean calendar | 2231 |
| Thai solar calendar | 441 |