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The 780s

192 sourced entries across 10 years, inside the 8th century. Each year below opens its own page; the lines under it are that year’s highest-ranked entries.

780 CE20 entries

  • September 8 - Emperor Leo IV ("the Khazar") dies after a 5-year reign, in which he has been dominated by his wife Irene of Athens, an iconodule. He is succeeded by his 9-year-old son Constantine VI; due to his minority, Irene and her chief minister Staurakios exercise a regency over him.
  • The city of Aldwych rises as an important trading centre in London, under Mercian control. King Offa of Mercia possibly establishes a royal palace at Aldermanbury, on the site of the old Roman Cripplegate fort and amphitheatre (approximate date).
  • Borobudur, a Buddhist temple complex in Magelang (modern Indonesia), is begun (approximate date).

781 CE16 entries

  • April 30 – Emperor Kōnin of Japan abdicates the throne after an 11-year reign, in favour of his half-Korean son, Kanmu.
  • July 31 – The oldest recorded eruption of Mount Fuji occurs (Traditional Japanese date: July 6, 781).
  • Yang Yan, Chinese statesman, commits suicide after being accused of bribery and corruption. He is credited with reforming the tax system for peasants, reducing the power of the aristocratic classes, and eliminating their tax-free estates.

782 CE14 entries

  • Charlemagne summons Alcuin, Anglo-Saxon missionary, to Aachen, and appoints him as chief adviser on religious and educational matters. He becomes the leading scholar and teacher at the Carolingian court.
  • Autumn – Charlemagne returns from his campaign in Italy, and musters a Frankish army of available troops in Bavaria. He then marches to Saxony, probably to Eresburg. Charlemagne marches north, down the Weser to the Aller River, making camp near Verden.
  • Nanchan Temple on Wutaishan, Shanxi, is built during the Tang Dynasty (China).

783 CE13 entries

  • April 30 – Hildegard, wife of King Charlemagne, dies in childbirth after her ninth confinement in less than 12 years of marriage. His mother, Bertrada of Laon, dies in the summer and is buried with great ceremony beside her husband Pepin the Short, in the Abbey of St. Denis (modern-day Paris).
  • October – Charlemagne marries Fastrada, the 18-year-old daughter of a Frankish count named Rudolph, and makes her his queen at Worms. The probable reason behind the marriage is to solidify a Frankish alliance east of the Rhine, against the Saxons in Lower Saxony (modern Germany).
  • A Byzantine expeditionary force under Staurakios, chief minister (logothete), begins a campaign against the communities (Sclaviniae) of Greece. Setting out from Constantinople, the imperial army follows the Thracian coast into Macedonia, and then south into Thessaly, Central Greece and the Peloponnese. Staurakios restores a measure of Byzantine authority over these areas, and collects booty and tribute from the locals.

784 CE17 entries

  • February 4 – Itzamnaaj K'awiil, brother of Bat K'awiil (who reigned between 780 and 784) and the son of K'ahk' Ukalaw Chan Chaak (who ruled 755 to 780) becomes the new ruler of the Mayan city state of Naranjo in Guatemala and reigns until his death in 810.
  • The Japanese begin a war against the Ainu, in the north, on the main island of Honshu. Emperor Kanmu wishes to be free from the influence of the Buddhist monasteries around Nara (then called Heijō), and moves the capital to Nagaoka, ending the Nara period.
  • Abd al-Rahman I, Muslim emir of Córdoba (Al-Andalus), begins the construction of the Prayer Hall of the Great Mosque of Córdoba. He uses the mosque (originally called Aljama Mosque) as an adjunct to his palace, and names it in honour of his wife.

785 CE27 entries

  • Ludger, Frisian missionary, visits Heligoland (Fossitesland), and destroys the remains of paganism. On his return he meets the blind bard Bernlef, last of the Frisian skalds, and cures his blindness (approximate date).
  • The Frankish Kingdom conquers Girona and Urgell (modern Spain) from the Moors. The Franks divide Catalonia into 14 countships. Charlemagne suppresses a rebellion by count Hardrad of Thuringia.
  • Council of Paderborn: The clergy debates the matter of the Christianization of the Saxons. They make laws against idolatry, and order the death penalty for self-appointed witch-hunters, who have caused the death of people accused of witchcraft.

786 CE25 entries

  • June 11 – Battle of Fakhkh: An Alid uprising in Medina is crushed by the Abbasids. One of the Alids, Idris ibn Abdallah, flees to the Maghreb in western North Africa, where he later founds the Idrisid dynasty in 788/789.
  • September 14 – Harun al-Rashid becomes the Abbasid caliph in Baghdad, upon the death of his brother Al-Hadi. He appoints Salim Yunisi as governor of Sindh and the Indus Valley.
  • Cyneheard, brother of the late king Sigeberht, ambushes and kills his rival Cynewulf of Wessex, while he is at Meretun (now called Marten) with his mistress. The Wessex nobles refuse to recognise Cyneheard as king.

787 CE13 entries

  • August 26 – Arechis II, autonomous prince (or duke) of Benevento, dies. Grimoald III, taken hostage by the Franks, succeeds his father as ruler of Benevento.
  • Second Council of Nicaea: Empress Irene restores the veneration of icons (images of Christ and saints). This is a major victory of the monks, who will advance extensive claims to complete freedom for the Eastern Orthodox Church in religious matters. This ends the iconoclastic period in the Byzantine Empire.
  • Maurizio Galbaio, doge of Venice, dies after a 22-year reign and is succeeded by his son Giovanni. He begins a vendetta against the patriarch of Grado (Italy).

788 CE27 entries

  • September – Battle of Kopidnadon: An Abbasid expeditionary force crosses the Cilician Gates into the Anatolic Theme (modern Turkey). It is confronted by two Byzantine armies at Podandos in Cappadocia, who are defeated.
  • September – Battle of Kopidnadon: An Abbasid expeditionary force against the Byzantine Empire crosses the Cilician Gates into the Anatolic Theme. The Abbasid army launches an invasion of Byzantine Asia Minor, and is confronted by a Byzantine force at Kopidnadon. The battle results in an Abbasid victory.
  • Byzantine troops led by Adalgis, son of former Lombard king Desiderius, invade southern Italy. His attempts are thwarted by the Franks, who attack territories in Benevento, obtaining notably the annexion of Chieti (Spoleto).

789 CE20 entries

  • Charlemagne issues the Admonitio generalis, which covers educational and ecclesiastical reforms within the Frankish Kingdom.
  • Idris I reaches Volubilis and founds the Idrisid dynasty, ceding Morocco from the Abbasid caliphate and founding the first Moroccan state.
  • King Pepin of Italy conquers Istria on the Adriatic, ignoring Byzantine protests. He establishes a tributary march, and sends missionaries.