| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 685 BC by topic |
| Politics |
|---|
| Categories |
| Gregorian calendar | 685 BC DCLXXXV BC |
| Ab urbe condita | 69 |
| Ancient Egypt era | XXV dynasty, 68 |
| - Pharaoh | Taharqa, 6 |
| Ancient Greek era | 23rd Olympiad, year 4 |
| Assyrian calendar | 4066 |
| Balinese saka calendar | N/A |
| Bengali calendar | −1277 |
| Berber calendar | 266 |
| Buddhist calendar | −140 |
| Burmese calendar | −1322 |
| Byzantine calendar | 4824–4825 |
| Chinese calendar | 乙未年 (Wood Goat) 2013 or 1806 — to — 丙申年 (Fire Monkey) 2014 or 1807 |
| Coptic calendar | −968 – −967 |
| Discordian calendar | 482 |
| Ethiopian calendar | −692 – −691 |
| Hebrew calendar | 3076–3077 |
| Hindu calendars | |
| - Vikram Samvat | −628 – −627 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2416–2417 |
| Holocene calendar | 9316 |
| Iranian calendar | 1306 BP – 1305 BP |
| Islamic calendar | 1346 BH – 1345 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1649 |
| Minguo calendar | 2596 before ROC 民前2596年 |
| Nanakshahi calendar | −2152 |
| Thai solar calendar | −142 – −141 |
| Tibetan calendar | 阴木羊年 (female Wood-Goat) −558 or −939 or −1711 — to — 阳火猴年 (male Fire-Monkey) −557 or −938 or −1710 |
The year 685 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 69 Ab urbe condita. The denomination 685 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.