| Millennium: | 1st millennium |
|---|---|
| Centuries: | 1st century – 2nd century – 3rd century |
| Decades: | 100s 110s 120s – 130s – 140s 150s 160s |
| Years: | 136 137 138 – 139 – 140 141 142 |
| 139 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 139 CXXXIX |
| Ab urbe condita | 892 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1705 – -1704 |
| Bengali calendar | -454 |
| Berber calendar | 1089 |
| Buddhist calendar | 683 |
| Burmese calendar | -499 |
| Byzantine calendar | 5647 – 5648 |
| Chinese calendar | 戊寅年十一月十三日 (2775/2835-11-13) — to —
己卯年十一月廿三日(2776/2836-11-23) |
| Coptic calendar | -145 – -144 |
| Ethiopian calendar | 131 – 132 |
| Hebrew calendar | 3899 – 3900 |
| Hindu calendars | |
| - Bikram Samwat | 195 – 196 |
| - Shaka Samvat | 61 – 62 |
| - Kali Yuga | 3240 – 3241 |
| Holocene calendar | 10139 |
| Iranian calendar | 483 BP – 482 BP |
| Islamic calendar | 498 BH – 497 BH |
| Japanese calendar | |
| Korean calendar | 2472 |
| Thai solar calendar | 682 |
Year 139 (CXXXIX) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.