180
| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 180 CLXXX |
| Ab urbe condita | 933 |
| Assyrian calendar | 4930 |
| Bengali calendar | −413 |
| Berber calendar | 1130 |
| Buddhist calendar | 724 |
| Burmese calendar | −458 |
| Byzantine calendar | 5688–5689 |
| Chinese calendar |
己未年 (Earth Goat) 2876 or 2816 — to — 庚申年 (Metal Monkey) 2877 or 2817 |
| Coptic calendar | −104 – −103 |
| Discordian calendar | 1346 |
| Ethiopian calendar | 172–173 |
| Hebrew calendar | 3940–3941 |
| Hindu calendars | |
| - Vikram Samvat | 236–237 |
| - Shaka Samvat | 101–102 |
| - Kali Yuga | 3280–3281 |
| Holocene calendar | 10180 |
| Iranian calendar | 442 BP – 441 BP |
| Islamic calendar | 456 BH – 455 BH |
| Javanese calendar | 56–57 |
| Julian calendar | 180 CLXXX |
| Korean calendar | 2513 |
| Minguo calendar | 1732 before ROC 民前1732年 |
| Nanakshahi calendar | −1288 |
| Seleucid era | 491/492 AG |
| Thai solar calendar | 722–723 |
Year 180 (CLXXX) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Rusticus and Condianus (or, less frequently, year 933 Ab urbe condita). The denomination 180 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.
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