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The 790s

161 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.

790 CE19 entries

  • September – The Armeniac Theme, located in northeastern Asia Minor (modern Turkey), revolts against Empress Irene, and declares the 19-year-old Constantine VI sole ruler of the Byzantine Empire. Other themes follow its example, and imprison their strategoi. Constantine sends his iconoclast general Michael Lachanodrakon, to ensure that the Armeniacs (his closest supporters) take an oath. Irene is confined and imprisoned in her palace at Constantinople; all her eunuchs are exiled.
  • Alcuin, Anglo-Saxon missionary, returns (after an 8-year absence) to England. During his stay at the Carolingian court of King Charlemagne in Aachen, he has educated his sons Charles, Pepin and Louis. Alcuin revises the church liturgy and the Bible, and is responsible for an intellectual movement within the Frankish Kingdom.
  • Irish monks (known as the Papar), possibly members of a Hiberno-Scottish mission, supposedly reach Iceland in hide-covered coracles, and begin settlements (approximate date). However, the evidence for this is scant.

791 CE11 entries

  • April – Tang forces retake the protectorate of Annan from rebelling Annamese chieftains Đỗ Anh Hàn, Phùng Hưng and Phùng An.
  • September 14 – Alfonso II, the son of former king Fruela I, becomes ruler of Asturias (Northern Spain). He moves the capital to Oviedo, the commercial centre of the region.
  • Princes Ælf and Ælfwine of Northumbria, the sons of former king Ælfwald I, are persuaded to leave their sanctuary in York Minster, and are immediately forcibly drowned in Wonwaldremere, at the instigation of King Æthelred I.

792 CE14 entries

  • September – King Æthelred I of Northumbria marries Princess Ælfflæd, daughter of King Offa of Mercia, at Catterick. Unrest in Northumbria tempts the exiled king Osred II back to his kingdom from the Isle of Man. His supporters desert him, and Osred II is killed by Æthelred's men at Aynburg. He is buried at Tynemouth Priory.
  • Battle of Marcellae: Constantine VI leads a Byzantine expeditionary force into northern Thrace. At the border castle of Marcellae, near the modern town of Karnobat (Bulgaria), the Bulgarians under Kardam defeat the Byzantines.
  • Spring – Emperor Constantine VI suppresses a rebellion, and restores his mother Irene to her former position as co-empress of the Byzantine Empire. The rival factions in Constantinople continue their intrigues against Constantine.

793 CE15 entries

  • August 17 – Quriaqos of Tagrit is consecrated Syriac Orthodox Patriarch of Antioch at Harran.
  • Frisian–Frankish War: Count Theoderic is sent to Frisia, to muster troops for another offensive against the Avar Khaganate. He is attacked and probably killed by Saxon rebels, near the mouth of the Weser River. The Frisians revolt, and Charlemagne deports Saxon families from north of the river Elbe.
  • Arab traders make Baghdad a financial center of the Silk Road between China and Europe. Caravans carry little or no money on their long journeys; Chinese traders use what they call fei qian (zh) ("flying money") to avoid robbery. The Arabs have adopted a similar banking system known as hawala to transmit funds (approximate date).

794 CE13 entries

  • May 20 – King Æthelberht II of East Anglia visits the royal Mercian court at Sutton Walls (Herefordshire), with a view to marrying Princess Ælfthryth. He is taken captive and beheaded, on the orders of King Offa.
  • August 10 – Queen Fastrada, third wife of Charlemagne, dies in Frankfurt after 11 years of marriage. Charlemagne consoles himself with Luitgard, an Alemannian noblewoman, whom he marries and moves into his new palace at Aachen (Germany). Luitgard shares Charlemagne's interest in the liberal arts.
  • Kyoto becomes the Japanese capital, ending the Nara period, and beginning the Heian period; a Golden Age of Japanese culture begins that will endure under the domination of the Fujiwara, Minamoto, Tachibana and Taira families, until 1185.

795 CE22 entries

  • December 26 – Leo III is elected to serve as Pope on the day his predecessor Adrian I is buried, and is consecrated the following day.
  • In the earliest recorded Viking raid on Ireland, they attack the monasteries at Iona (Inner Hebrides), Inishbofin and Inishmurray (approximate date).
  • Charlemagne creates the Hispanic Marches, a buffer zone beyond the former province of Septimania. A group of Iberian lordships form a defensive barrier between the Umayyad Moors of Al-Andalus (modern Spain) and the Frankish Kingdom.

796 CE22 entries

  • April 18 – King Æthelred I of Northumbria is murdered, probably at Corbridge, by his ealdormen, Ealdred and Wada. Another rival, Torhtmund, slays Ealdred in revenge. Northumbria is plunged into chaos. The patrician Osbald is placed on the throne, but is deserted by his supporters after only 27 days. He flees from Lindisfarne to Pictland. Another faction brings back Æthelred I's old back-from-the-dead rival, Eardwulf, as the new king. He dismisses his wife and publicly takes a concubine. Eardwulf is alienated from Archbishop Eanbald of York.
  • Tō-ji, a Buddhist temple of the Shingon sect, is established in Kyoto, Japan.
  • King Offa of Mercia and Charlemagne seal a trading agreement, and a marriage alliance is proposed. However, Offa dies after a 39-year reign, that has incorporated Kent, Essex, Sussex, and East Anglia into the Mercian realm. Offa is buried at Bedford, and succeeded for a short time by his son Ecgfrith, and then a distant cousin, Coenwulf.

797 CE19 entries

  • April 19 or August 19 – Empress Irene organizes a conspiracy against her son Constantine VI. He is captured and blinded; Irene exiles him to Principo, where he dies shortly thereafter of his wounds. Irene begins a 5-year reign, and calls herself basileus ("emperor") of the Byzantine Empire. (Sources and historians conflict on whether this was in April or August.)
  • Battle of Rhuddlan: Welsh forces, including those of Powys and Dyfed, clash with Mercians. King Coenwulf tries to re-assert his domination of northeast Wales. King Caradog ap Meirion of Gwynedd is killed during the fighting (approximate date).
  • King Charlemagne issues the Capitulare Saxonicum, making Westphalian, Angrian and Eastphalian Saxons equal to other peoples in the Frankish Kingdom. The Nordalbian Saxons revolt; a Frankish fleet is sent to the North Sea coast of Germany. It lands in Hadeln, a marshy coastal region between the Weser and Elbe estuaries, near modern-day Cuxhaven. Charlemagne invades northern Saxony, and again accepts the submission of the Saxons.

798 CE16 entries

  • Bahlul ibn Marzuq, a Vascon-Muslim military leader, revolts in Zaragoza against the Arab-Muslim government of Al-Andalus.
  • Theodulf, Frankish poet, is appointed bishop of Orléans. He becomes one of Charlemagne's favoured theologians.
  • King Coenwulf of Mercia invades Gwynedd (modern Wales), and kills his rival Caradog ap Meirion during the fighting in Snowdonia. Kings Cynan and Hywel retake the throne. Coenwulf also defeats and captures King Eadberht Præn of Kent. He is blinded and his hands are cut off. He introduces his brother Cuthred as a sub-king of Kent (approximate date).

799 CE10 entries

  • April 25 – Pope Leo III is physically attacked by a band of aristocratic conspirators, under the leadership of a public official who is a nephew of the late Pope Adrian I. After mistreatment and attempted disfigurement by the citizens of Rome, Leo flees to the court of King Charlemagne at Paderborn (modern Germany) to seek protection. He sends him back with Frankish agents, and restores him to the papal throne.
  • Autumn – Siege of Trsat: Višeslav, prince or duke of Dalmatian Croatia, decisively defeats an invading Frankish army under Eric of Friuli, during the siege at the fortress city of Trsat (Rijeka).
  • The Vikings raid the island of Noirmoutier, and attack the monastery of Saint Philibert of Jumièges.