686

686 in various calendars
Gregorian calendar	686; DCLXXXVI
Ab urbe condita	1439
Armenian calendar	135; ԹՎ ՃԼԵ
Assyrian calendar	5436
Balinese saka calendar	607–608
Bengali calendar	93
Berber calendar	1636
Buddhist calendar	1230
Burmese calendar	48
Byzantine calendar	6194–6195
Chinese calendar	乙酉年 (Wood Rooster); 3383 or 3176; — to —; 丙戌年 (Fire Dog); 3384 or 3177
Coptic calendar	402–403
Discordian calendar	1852
Ethiopian calendar	678–679
Hebrew calendar	4446–4447
Hindu calendars
- Vikram Samvat	742–743
- Shaka Samvat	607–608
- Kali Yuga	3786–3787
Holocene calendar	10686
Iranian calendar	64–65
Islamic calendar	66–67
Japanese calendar	Hakuchi 37 / Shuchō 1; (朱鳥元年)
Javanese calendar	578–579
Julian calendar	686; DCLXXXVI
Korean calendar	3019
Minguo calendar	1226 before ROC; 民前1226年
Nanakshahi calendar	−782
Seleucid era	997/998 AG
Thai solar calendar	1228–1229
Tibetan calendar	阴木鸡年; (female Wood-Rooster); 812 or 431 or −341; — to —; 阳火狗年; (male Fire-Dog); 813 or 432 or −340

Millennium:	1st millennium
Centuries:	6th century; 7th century ; 8th century;
Decades:	660s; 670s; 680s ; 690s; 700s;
Years:	683; 684; 685; 686 ; 687; 688; 689;

Year 686 (DCLXXXVI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. The denomination 686 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.

Events

Waratton, mayor of the palace of Neustria and Burgundy, dies and is succeeded by his son-in-law Berchar. He advises King Theuderic III to break the peace treaty with Pepin of Herstal, and declares war on Austrasia.

King Cædwalla of Wessex establishes overlordship of Essex, and invades Kent for a second time. King Eadric is expelled, and Cædwalla's brother Mul is installed in his place. The sub-kings Berthun and Andhun are killed, and Sussex is subjugated by the West Saxons.
Cædwalla conquers Surrey, and tries to exterminate the Jutes of the Isle of Wight. He executes King Arwald and his two brothers. Cædwalla probably also overruns the Meonware, a Jutish people who live in the Meon Valley (Hampshire).

August 6 – Battle of Khazir in Mosul: Alid forces of Mukhtar al-Thaqafi defeat those of the Umayyad Caliphate.
Ubayd Allah ibn Ziyad, former governor of Mesopotamia, tries to regain control of his province, as the various Muslim tribes in the region Kufa (Iraq) are engaged in an Islamic civil war.
Abd al-Malik ibn Marwan imprisons and tortures patriarch Mar Khnanishu I. He is the first caliph to insist on the collection of the poll tax from the Christians (approximate date).

October 1 – Emperor Tenmu of Japan dies after a 13-year reign, and is succeeded by his widow (and niece), Empress Jitō. She will reign until 697.
October 25 – Prince Ōtsu, son of Tenmu, is falsely accused of treason by Jito and forced to commit suicide, along with his wife Yamanobe.

August 2 – Pope John V dies at Rome after a 12-month reign, in which he has made handsome donations to the poor. He is succeeded by Conon I as the 83rd pope of the Catholic Church.
Plague kills almost all the Benedictine monks in the monastery of Monkwearmouth–Jarrow Abbey (Northumbria), aside from the abbot Ceolfrith and one small boy – future scholar Bede.^[1]^[2]
Wilfrid, bishop of York, becomes an advisor of Cædwalla, and is sent to the Isle of Wight to evangelise the inhabitants.^[3]

Blair, Peter Hunter (1990). The World of Bede (Reprint of 1970 ed.). Cambridge University Press. ISBN 978-0-521-39819-0.
John, Eric (1996). Reassessing Anglo-Saxon England. Manchester University Press. ISBN 0-7190-5053-7.