| 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 |
| Assyrian calendar | 4889 |
| Bahá'í calendar | -1705–-1704 |
| Bengali calendar | -454 |
| Berber calendar | 1089 |
| English Regnal year | N/A |
| 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 | |
| - Vikram Samvat | 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 |
| Minguo calendar | 1773 before ROC 民前1773年 |
| Thai solar calendar | 682 |
Year 139 (CXXXIX) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Hadrianus and Praesens (or, less frequently, year 892 Ab urbe condita). The denomination 139 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.