661 BC
| Years |
|---|
| Millennium |
| 1st millennium BC |
| Centuries |
| Decades |
| Years |
| 661 BC by topic |
| Politics |
|---|
| Categories |
| Gregorian calendar | 661 BC DCLXI BC |
| Ab urbe condita | 93 |
| Ancient Egypt era | XXVI dynasty, 4 |
| - Pharaoh | Psamtik I, 4 |
| Ancient Greek Olympiad (summer) | 29th Olympiad, year 4 |
| Assyrian calendar | 4090 |
| Balinese saka calendar | N/A |
| Bengali calendar | −1254 – −1253 |
| Berber calendar | 290 |
| Buddhist calendar | −116 |
| Burmese calendar | −1298 |
| Byzantine calendar | 4848–4849 |
| Chinese calendar | 己未年 (Earth Goat) 2037 or 1830 — to — 庚申年 (Metal Monkey) 2038 or 1831 |
| Coptic calendar | −944 – −943 |
| Discordian calendar | 506 |
| Ethiopian calendar | −668 – −667 |
| Hebrew calendar | 3100–3101 |
| Hindu calendars | |
| - Vikram Samvat | −604 – −603 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2440–2441 |
| Holocene calendar | 9340 |
| Iranian calendar | 1282 BP – 1281 BP |
| Islamic calendar | 1321 BH – 1320 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1673 |
| Minguo calendar | 2572 before ROC 民前2572年 |
| Nanakshahi calendar | −2128 |
| Thai solar calendar | −118 – −117 |
| Tibetan calendar | 阴土羊年 (female Earth-Goat) −534 or −915 or −1687 — to — 阳金猴年 (male Iron-Monkey) −533 or −914 or −1686 |
The year 661 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 93 Ab urbe condita . The denomination 661 BC 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.