en 676

676 in various calendars
Gregorian calendar	676; DCLXXVI
Ab urbe condita	1429
Armenian calendar	125; ԹՎ ՃԻԵ
Assyrian calendar	5426
Balinese saka calendar	597–598
Bengali calendar	82–83
Berber calendar	1626
Buddhist calendar	1220
Burmese calendar	38
Byzantine calendar	6184–6185
Chinese calendar	乙亥年 (Wood Pig); 3373 or 3166; — to —; 丙子年 (Fire Rat); 3374 or 3167
Coptic calendar	392–393
Discordian calendar	1842
Ethiopian calendar	668–669
Hebrew calendar	4436–4437
Hindu calendars
- Vikram Samvat	732–733
- Shaka Samvat	597–598
- Kali Yuga	3776–3777
Holocene calendar	10676
Iranian calendar	54–55
Islamic calendar	56–57
Japanese calendar	Hakuchi 27; (白雉２７年)
Javanese calendar	568–569
Julian calendar	676; DCLXXVI
Korean calendar	3009
Minguo calendar	1236 before ROC; 民前1236年
Nanakshahi calendar	−792
Seleucid era	987/988 AG
Thai solar calendar	1218–1219
Tibetan calendar	阴木猪年; (female Wood-Pig); 802 or 421 or −351; — to —; 阳火鼠年; (male Fire-Rat); 803 or 422 or −350

Millennium:	1st millennium
Centuries:	6th century; 7th century ; 8th century;
Decades:	650s; 660s; 670s ; 680s; 690s;
Years:	673; 674; 675; 676 ; 677; 678; 679;

Year 676 (DCLXXVI) was a leap year starting on Tuesday of the Julian calendar. The denomination 676 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

Summer – Siege of Constantinople: Caliph Muawiyah I sends his son Yazid with Muslim reinforcements to Constantinople. At the same time, the Byzantines have to face a Slavic attack on Thessaloniki and Lombard attacks in Italy.^[1]

Dagobert II, son of the late king Sigibert III, becomes (partly with the help of Bishop Wilfrid) the new ruler of Austrasia, after his predecessor Clovis III is murdered.

King Æthelred of Mercia invades Kent, in an attempt to enforce overlordship and diminish Kentish influence in Surrey and London. His armies destroy the Diocese of Rochester^[2] (seat of the bishops in West Kent), and ravage the surrounding countryside.
King Æscwine of Wessex dies after a 2-year reign, and is succeeded by Centwine, son of the late king Cynegils. He reasserts the power of his Anglo-Saxon kingdom over the Welsh.

Emperor Tenmu of Japan promulgates a decree about taxes from fiefs, and the employment of persons for the service from the outer provinces. Men of distinguished ability are allowed to enter the service, even though they are of the common people, regardless of their ranks.
The broad-based peninsular effort under Silla's leadership, to prevent Chinese domination of Korea, succeeds in forcing Chinese troops to withdraw into Manchuria, in northeast China.

Aldhelm, Anglo-Saxon scholar-poet, founds Malmesbury Abbey on the site of the hermitage of his old tutor Máel Dub.
Æthelred of Mercia founds the monastery at Breedon on the Hill on the site of The Bulwarks, an Iron Age hill fort.
June 17 – Pope Adeodatus II dies at Rome after a reign of 4 years. He is succeeded by Donus as the 78th pope.
Cuthbert of Lindisfarne retires to a hermitage near Holburn, at a place now known as St. Cuthbert's Cave.