| Millennium: | 1st millennium |
|---|---|
| Centuries: | 6th century – 7th century – 8th century |
| Decades: | 650s 660s 670s – 680s – 690s 700s 710s |
| Years: | 682 683 684 – 685 – 686 687 688 |
| 685 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 685 DCLXXXV |
| Ab urbe condita | 1438 |
| Armenian calendar | 134 ԹՎ ՃԼԴ |
| Bahá'í calendar | -1159 – -1158 |
| Bengali calendar | 92 |
| Berber calendar | 1635 |
| Buddhist calendar | 1229 |
| Burmese calendar | 47 |
| Byzantine calendar | 6193 – 6194 |
| Chinese calendar | 甲申年十一月廿一日 (3321/3381-11-21) — to —
乙酉年十二月初一日(3322/3382-12-1) |
| Coptic calendar | 401 – 402 |
| Ethiopian calendar | 677 – 678 |
| Hebrew calendar | 4445 – 4446 |
| Hindu calendars | |
| - Bikram Samwat | 741 – 742 |
| - Shaka Samvat | 607 – 608 |
| - Kali Yuga | 3786 – 3787 |
| Holocene calendar | 10685 |
| Iranian calendar | 63 – 64 |
| Islamic calendar | 65 – 66 |
| Japanese calendar | |
| Korean calendar | 3018 |
| Thai solar calendar | 1228 |