| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 514 BC DXIII BC |
| Ab urbe condita | 240 |
| Ancient Egypt era | XXVII dynasty, 12 |
| - Pharaoh | Darius I of Persia, 8 |
| Ancient Greek era | 66th Olympiad, year 3 |
| Assyrian calendar | 4237 |
| Bengali calendar | −1106 |
| Berber calendar | 437 |
| Buddhist calendar | 31 |
| Burmese calendar | −1151 |
| Byzantine calendar | 4995–4996 |
| Chinese calendar |
丙戌年 (Fire Dog) 2183 or 2123 — to — 丁亥年 (Fire Pig) 2184 or 2124 |
| Coptic calendar | −797 – −796 |
| Discordian calendar | 653 |
| Ethiopian calendar | −521 – −520 |
| Hebrew calendar | 3247–3248 |
| Hindu calendars | |
| - Vikram Samvat | −457 – −456 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2587–2588 |
| Holocene calendar | 9487 |
| Iranian calendar | 1135 BP – 1134 BP |
| Islamic calendar | 1170 BH – 1169 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1820 |
| Minguo calendar | 2425 before ROC 民前2425年 |
| Nanakshahi calendar | −1981 |
| Thai solar calendar | 29–30 |
The year 514 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 240 Ab urbe condita . The denomination 514 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.