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| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 181 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 181 CLXXXI |
| Ab urbe condita | 934 |
| Assyrian calendar | 4931 |
| Balinese saka calendar | 102–103 |
| Bengali calendar | −412 |
| Berber calendar | 1131 |
| Buddhist calendar | 725 |
| Burmese calendar | −457 |
| Byzantine calendar | 5689–5690 |
| Chinese calendar | 庚申年 (Metal Monkey) 2878 or 2671 — to — 辛酉年 (Metal Rooster) 2879 or 2672 |
| Coptic calendar | −103 – −102 |
| Discordian calendar | 1347 |
| Ethiopian calendar | 173–174 |
| Hebrew calendar | 3941–3942 |
| Hindu calendars | |
| - Vikram Samvat | 237–238 |
| - Shaka Samvat | 102–103 |
| - Kali Yuga | 3281–3282 |
| Holocene calendar | 10181 |
| Iranian calendar | 441 BP – 440 BP |
| Islamic calendar | 455 BH – 454 BH |
| Javanese calendar | 57–58 |
| Julian calendar | 181 CLXXXI |
| Korean calendar | 2514 |
| Minguo calendar | 1731 before ROC 民前1731年 |
| Nanakshahi calendar | −1287 |
| Seleucid era | 492/493 AG |
| Thai solar calendar | 723–724 |
| Tibetan calendar | 阳金猴年 (male Iron-Monkey) 307 or −74 or −846 — to — 阴金鸡年 (female Iron-Rooster) 308 or −73 or −845 |
Year 181 (CLXXXI) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Burrus (or, less frequently, year 934 Ab urbe condita). The denomination 181 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.