| Millennium: | 1st millennium |
|---|---|
| Centuries: | 6th century – 7th century – 8th century |
| Decades: | 650s 660s 670s – 680s – 690s 700s 710s |
| Years: | 684 685 686 – 687 – 688 689 690 |
| 687 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 687 DCLXXXVII |
| Ab urbe condita | 1440 |
| Armenian calendar | 136 ԹՎ ՃԼԶ |
| Bahá'í calendar | -1157 – -1156 |
| Bengali calendar | 94 |
| Berber calendar | 1637 |
| Buddhist calendar | 1231 |
| Burmese calendar | 49 |
| Byzantine calendar | 6195 – 6196 |
| Chinese calendar | 丙戌年十二月十二日 (3323/3383-12-12) — to —
丁亥年十一月廿二日(3324/3384-11-22) |
| Coptic calendar | 403 – 404 |
| Ethiopian calendar | 679 – 680 |
| Hebrew calendar | 4447 – 4448 |
| Hindu calendars | |
| - Bikram Samwat | 743 – 744 |
| - Shaka Samvat | 609 – 610 |
| - Kali Yuga | 3788 – 3789 |
| Holocene calendar | 10687 |
| Iranian calendar | 65 – 66 |
| Islamic calendar | 67 – 68 |
| Japanese calendar | |
| Korean calendar | 3020 |
| Thai solar calendar | 1230 |