| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 726 BC DCCXXV BC |
| Ab urbe condita | 28 |
| Ancient Egypt era | XXV dynasty, 27 |
| - Pharaoh | Piye, 27 |
| Ancient Greek era | 13th Olympiad, year 3 |
| Assyrian calendar | 4025 |
| Bengali calendar | −1318 |
| Berber calendar | 225 |
| Buddhist calendar | −181 |
| Burmese calendar | −1363 |
| Byzantine calendar | 4783–4784 |
| Chinese calendar |
甲寅年 (Wood Tiger) 1971 or 1911 — to — 乙卯年 (Wood Rabbit) 1972 or 1912 |
| Coptic calendar | −1009 – −1008 |
| Discordian calendar | 441 |
| Ethiopian calendar | −733 – −732 |
| Hebrew calendar | 3035–3036 |
| Hindu calendars | |
| - Vikram Samvat | −669 – −668 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2375–2376 |
| Holocene calendar | 9275 |
| Iranian calendar | 1347 BP – 1346 BP |
| Islamic calendar | 1388 BH – 1387 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1608 |
| Minguo calendar | 2637 before ROC 民前2637年 |
| Nanakshahi calendar | −2193 |
| Thai solar calendar | −183 – −182 |