|Centuries:||6th century – 7th century – 8th century|
|Decades:||650s 660s 670s – 680s – 690s 700s 710s|
|Years:||686 687 688 – 689 – 690 691 692|
|689 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1442|
|Bahá'í calendar||−1155 – −1154|
|English Regnal year||N/A|
|Chinese calendar||戊子年 (Earth Rat)
3385 or 3325
— to —
己丑年 (Earth Ox)
3386 or 3326
|- Vikram Samvat||745–746|
|- Shaka Samvat||611–612|
|- Kali Yuga||3790–3791|
|Igbo calendar||−311 – −310|
|Minguo calendar||1223 before ROC
|Thai solar calendar||1232|
|Wikimedia Commons has media related to 689.|
Year 689 (DCLXXXIX) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 689 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.
- Byzantine–Bulgarian War: Emperor Justinian II defeats the Bulgars of Macedonia and recaptures Thessalonica, the second most important Byzantine city in Europe. He resettles the subdued Slavs in Anatolia (modern Turkey), where they are required to provide 30,000 men to the Byzantine army.
- Battle of Coronate: The Lombards under king Cunipert defeat the army of duke Alahis at the River Adda (Lombardy). He executes the rebel leaders; Alahis is captured his head and legs are cut off. The southern Lombard duchies take advantage of Cunipert's distraction and extend their territories.
- Battle of Dorestad: The Frisians under king Radbod are defeated by the Frankish mayor of the palace, Pippin of Herstal. The Rhine delta and Dorestad (modern Netherlands) becomes Frankish again, as the castles of Utrecht and Fechten (approximate date).
- The Asuka Kiyomihara Code, a collection of governing rules, commenced in 681 under emperor Tenmu is promulgated in Japan.
- The 3rd chief executive of Hong Kong, Leung Chun-Ying, known contemptuously as "689" — for the number of people on the committee who voted for him in 2012.
- Cædwalla of Wessex arrives in Rome and is baptised by pope Sergius I, taking the name Peter. He dies 10 days later and is buried at the St. Peter's Basilica.
- Prince Oswald, brother of king Osric of Hwicce, founds Pershore Abbey in Worcestershire (approximate date).
- Alahis, king (usurper) of the Lombards
- April 20 – Cædwalla, king of Wessex
- Colman, Irish missionary (approximate date)
- Grimoald II, duke of Benevento (Italy)
- John III, Coptic Orthodox pope of Alexandria
- July 8 – Kilian, Irish bishop (approximate date)
- May 10 – Kusakabe, Japanese prince (b. 662)
- Liu Jingxian, official of the Tang Dynasty
- Totnan, Irish Franconian apostle
- Ostrogorsky, pp. 116–122
- Hodgkin, Thomas (1895). "Italy and her Invaders", volume 6. Oxford
- Blok, D.P. (1968), "De Franken, hun optreden in het licht der historie", pp. 32–34