| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 651 BC by topic |
| Politics |
|---|
| Categories |
| Gregorian calendar | 651 BC DCLI BC |
| Ab urbe condita | 103 |
| Ancient Egypt era | XXVI dynasty, 14 |
| - Pharaoh | Psamtik I, 14 |
| Ancient Greek era | 32nd Olympiad, year 2 |
| Assyrian calendar | 4100 |
| Balinese saka calendar | N/A |
| Bengali calendar | −1243 |
| Berber calendar | 300 |
| Buddhist calendar | −106 |
| Burmese calendar | −1288 |
| Byzantine calendar | 4858–4859 |
| Chinese calendar | 己巳年 (Earth Snake) 2047 or 1840 — to — 庚午年 (Metal Horse) 2048 or 1841 |
| Coptic calendar | −934 – −933 |
| Discordian calendar | 516 |
| Ethiopian calendar | −658 – −657 |
| Hebrew calendar | 3110–3111 |
| Hindu calendars | |
| - Vikram Samvat | −594 – −593 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2450–2451 |
| Holocene calendar | 9350 |
| Iranian calendar | 1272 BP – 1271 BP |
| Islamic calendar | 1311 BH – 1310 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1683 |
| Minguo calendar | 2562 before ROC 民前2562年 |
| Nanakshahi calendar | −2118 |
| Thai solar calendar | −108 – −107 |
| Tibetan calendar | 阴土蛇年 (female Earth-Snake) −524 or −905 or −1677 — to — 阳金马年 (male Iron-Horse) −523 or −904 or −1676 |
The year 651 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 103 Ab urbe condita . The denomination 651 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.