| Millennium: | 1st millennium |
|---|---|
| Centuries: | 1st century – 2nd century – 3rd century |
| Decades: | 90s 100s 110s – 120s – 130s 140s 150s |
| Years: | 126 127 128 – 129 – 130 131 132 |
| 129 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 129 CXXIX |
| Ab urbe condita | 882 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1715 – -1714 |
| Bengali calendar | -464 |
| Berber calendar | 1079 |
| Buddhist calendar | 673 |
| Burmese calendar | -509 |
| Byzantine calendar | 5637 – 5638 |
| Chinese calendar | 戊辰年十一月廿三日 (2765/2825-11-23) — to —
己巳年十二月初三日(2766/2826-12-3) |
| Coptic calendar | -155 – -154 |
| Ethiopian calendar | 121 – 122 |
| Hebrew calendar | 3889 – 3890 |
| Hindu calendars | |
| - Bikram Samwat | 185 – 186 |
| - Shaka Samvat | 51 – 52 |
| - Kali Yuga | 3230 – 3231 |
| Holocene calendar | 10129 |
| Iranian calendar | 493 BP – 492 BP |
| Islamic calendar | 508 BH – 507 BH |
| Japanese calendar | |
| Korean calendar | 2462 |
| Thai solar calendar | 672 |
Year 129 (CXXIX) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.