| Millennium: | 1st millennium |
|---|---|
| Centuries: | 6th century – 7th century – 8th century |
| Decades: | 650s 660s 670s – 680s – 690s 700s 710s |
| Years: | 683 684 685 – 686 – 687 688 689 |
| 686 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 686 DCLXXXVI |
| Ab urbe condita | 1439 |
| Armenian calendar | 135 ԹՎ ՃԼԵ |
| Bahá'í calendar | -1158 – -1157 |
| Bengali calendar | 93 |
| Berber calendar | 1636 |
| Buddhist calendar | 1230 |
| Burmese calendar | 48 |
| Byzantine calendar | 6194 – 6195 |
| Chinese calendar | 乙酉年十二月初二日 (3322/3382-12-2) — to —
丙戌年十二月十一日(3323/3383-12-11) |
| Coptic calendar | 402 – 403 |
| Ethiopian calendar | 678 – 679 |
| Hebrew calendar | 4446 – 4447 |
| Hindu calendars | |
| - Bikram Samwat | 742 – 743 |
| - Shaka Samvat | 608 – 609 |
| - Kali Yuga | 3787 – 3788 |
| Holocene calendar | 10686 |
| Iranian calendar | 64 – 65 |
| Islamic calendar | 66 – 67 |
| Japanese calendar | |
| Korean calendar | 3019 |
| Thai solar calendar | 1229 |
Caedwalla exterminates the Jutes of the Isle of Wight and kills King Arwald.