680

By place

Byzantine Empire

• Byzantine–Bulgarian War: The Bulgars under Asparukh subjugate the country of current-day Bulgaria, north of the Balkan Mountains. Emperor Constantine IV leads a combined land and sea operation against the invaders and besieges their fortified camp in Dobruja.
• Battle of Ongal: The Byzantine army under Constantine IV is defeated by the Bulgars and their Slavic allies in the Danube Delta. Bulgar cavalry force the Byzantines into a rout, while Constantine travels to Nesebar to seek treatment.

  Europe

• King Wamba is deposed after an 8-year reign, and forced to retire to a monastery. He is succeeded by Erwig who becomes ruler of the Visigothic Kingdom.
• King Perctarit makes his son Cunipert co-ruler of the Lombard Kingdom. He signs a formal peace treaty with Constantine IV.
• Pippin of Herstal becomes Mayor of the Palace of Austrasia.
• The emporium of Dorestad is founded near the mouth of the Rhine, and soon becomes a major trading settlement in the North Sea region.

  Britain

• King Cædwalla of Wessex becomes overly ambitious in a power-struggle with his rival, King Centwine, for Wessex overlordship. He is banished into the forests of Chiltern and Andred.

  Arabian Empire

• Yazid I, son of Muawiyah I, becomes the sixth caliph but Kufans in Mesopotamia rebel and invite Hussein ibn Ali to take the throne.
• October 10 - Battle of Karbala: Forces under Yazid I kill Hussein ibn Ali, grandson of Muhammad, Prophet of Islam, and his closest supporters. This event leads to the civil war known as the Second Fitna.

  Asia

• In Japan, Princess Uno Sarara is unwell, and Emperor Tenmu begins the erection of the Temple of Yakushi-ji. He makes 100 persons enter religion as priests, wishing her to recover her health.

  By topic

Religion

• Hussein ibn Ali is killed at the Battle of Karbala by Shimr ibn Dhi 'l-Jawshan, along with most of his family and companions on October 10, 680 AD.
• Theodore, archbishop of Canterbury, convenes a synod at Hatfield that clears the English Church from any association with the heresy of Monothelitism.
• Wilfrid returns to Northumbria, with papal support, but is imprisoned by King Ecgfrith, and again exiled. He travels to Sussex to evangelise the people.
• King Merewalh of Magonsæte founds the monastery of Wenlock Priory. He appoints his daughter Milburga as Benedictine abbess.
• Boniface is educated at a Celtic Christian monastery in Exeter, that has been one of many monasteriola built by local landowners and churchmen.
• The Book of Durrow is created, probably in Northumbria or on the island of Iona in the Scottish Inner Hebrides.
• November 7 - The Third Council of Constantinople opens in Constantinople, ending September 16, 681.

  Births

• Fujiwara no Muchimaro, Japanese politician
• Genshō, empress of Japan
• Oda of Scotland, Christian saint
• Wu Daozi, Chinese painter

  Deaths

• January 1 - Javanshir, king of Caucasian Albania
• January 30 - Balthild, queen of the Franks
• October 9 - Ghislain, Frankish anchorite and saint
• October 10
• * Abbas ibn Ali, son of Imam Ali
• * Ali al-Akbar ibn Husayn, son of Al-Husayn
• * Ali al-Asghar ibn Husayn, son of Al-Husayn
• * Habib ibn Madhahir
• * Husayn ibn Ali, third Shia Imam and grandson of Muhammad
• Agatho, pope of the Coptic Orthodox Church
• Bhāskara I, Indian mathematician
• Cædmon, Northumbrian poet
• Ebroin, Mayor of the Palace of Neustria
• Hilda of Whitby, Northumbrian abbess and saint
• Muawiyah I, founder of the Umayyad Caliphate
• Umm Salama, wife of Muhammad
• Vikramaditya I, king of Chalukya
• Wulfoald, Mayor of the Palace of Austrasia