|Centuries:||6th century – 7th century – 8th century|
|Decades:||650s 660s 670s – 680s – 690s 700s 710s|
|Years:||684 685 686 – 687 – 688 689 690|
- December 15 – Sergius succeeds Conon as Pope
- King Theuderic III of Neustria is defeated by Pepin of Herstal, Mayor of the Palace of Austrasia. Austrasia and Neustria are combined again; Pepin becomes de facto ruler of both areas.
- Egica succeeds Erwig as king of the Visigoths.
- Construction of the Dome of the Rock is started.
- Adamnan visits the Northumbrian court of Ecgfrith to ransom Irish captives.