664 BC
| Years |
|---|
| Millennium |
| 1st millennium BC |
| Centuries |
| Decades |
| Years |
| 664 BC by topic |
| Politics |
|---|
| Categories |
| Gregorian calendar | 664 BC DCLXIV BC |
| Ab urbe condita | 90 |
| Ancient Egypt era | XXVI dynasty, 1 |
| - Pharaoh | Psamtik I, 1 |
| Ancient Greek Olympiad (summer) | 29th Olympiad (victor)¹ |
| Assyrian calendar | 4087 |
| Balinese saka calendar | N/A |
| Bengali calendar | −1257 – −1256 |
| Berber calendar | 287 |
| Buddhist calendar | −119 |
| Burmese calendar | −1301 |
| Byzantine calendar | 4845–4846 |
| Chinese calendar | 丙辰年 (Fire Dragon) 2034 or 1827 — to — 丁巳年 (Fire Snake) 2035 or 1828 |
| Coptic calendar | −947 – −946 |
| Discordian calendar | 503 |
| Ethiopian calendar | −671 – −670 |
| Hebrew calendar | 3097–3098 |
| Hindu calendars | |
| - Vikram Samvat | −607 – −606 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2437–2438 |
| Holocene calendar | 9337 |
| Iranian calendar | 1285 BP – 1284 BP |
| Islamic calendar | 1324 BH – 1323 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1670 |
| Minguo calendar | 2575 before ROC 民前2575年 |
| Nanakshahi calendar | −2131 |
| Thai solar calendar | −121 – −120 |
| Tibetan calendar | 阳火龙年 (male Fire-Dragon) −537 or −918 or −1690 — to — 阴火蛇年 (female Fire-Snake) −536 or −917 or −1689 |
The year 664 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 90 Ab urbe condita . The denomination 664 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.