Directory

815 CE

Sihyaj K'in Ich’aak II becomes the new ruler of the Mayan city state of Machaquila in Guatemala after the death of Ochk'in Kaloomte' Aj Ho' Baak, and reigns until early 824. Wu Yuanheng, Chinese chancellor of the Tang Dynasty, is murdered by assassins of warlord Wu Yuanji, in Chang'an. Emperor Saga of Japan is the first sovereign to drink tea (according to legend), imported from China by monks. The upper classes adopt this beverage for medicinal use.

Geopolitics & Diplomacy

  • Emperor Saga of Japan is the first sovereign to drink tea (according to legend), imported from China by monks. The upper classes adopt this beverage for medicinal use.source
  • Byzantine–Bulgarian Treaty: Emperor Leo V the Armenian signs a 30-year peace agreement in Constantinople with Omurtag, ruler (khan) of the Bulgarian Empire. The Rhodope Mountains become the Byzantine border again, and Leo regains its lost Black Sea cities, after the Bulgars have them demolished.source
  • King Egbert of Wessex ravages the territories of the remaining British kingdom Dumnonia, known as the West Welsh (Cornwall).source

Exploration & Expansion

  • Hrafna-Flóki Vilgerðarson sets out from the Faroe Islands and discovers Iceland (documented later in the Landnámabók) (approximate date).source

Religion & Belief

  • Synod of Constantinople: A council led by patriarch Theodotus I, in the Hagia Sophia, reinstitutes iconoclasm.source

Crime & Justice

  • July 13 – Wu Yuanheng, Chinese chancellor of the Tang Dynasty, is murdered by assassins of warlord Wu Yuanji, in Chang'an.source

Births

  • Eberhard, duke of Friuli (approximate date)source
  • Boniface VI, pope of the Catholic Church (d. 896)source
  • Johannes Scotus Eriugena, Irish theologian (approximate date)source
  • Dawud al-Zahiri, Muslim scholar (approximate date)source
  • Methodius, Byzantine missionary and bishop (d. 885)source
  • Theodora, Byzantine empress (approximate date)source
  • Abu Hanifa Dinawari, Muslim botanist and geographer (d. 896)source
  • Leoluca, Sicilian abbot (approximate date)source

Deaths

  • February 15 – Ibn Tabataba, Zaydi anti-caliphsource
  • April 2 – Sihyaj K'in Ich’aak II becomes the new ruler of the Mayan city state of Machaquila in Guatemala after the death of Ochk'in Kaloomte' Aj Ho' Baak, and reigns until early 824.source
  • July 13 – Wu Yuanheng, chancellor of the Tang Dynasty (b. 758)source
  • October 18 – Abu'l-Saraya, Zaydi rebel leadersource
  • Sadnalegs, emperor of Tibet (approximate date)source
  • Laylā bint Ṭarīf, Arab woman warrior poetsource
  • Jābir ibn Hayyān (Geber), Muslim alchemist (approximate date)source
  • Mashallah ibn Athari, Jewish-Arab astrologersource
  • Muirgius mac Tommaltaig, king of Connacht (Ireland)source
  • Omar Tiberiades, Persian astrologer (approximate date)source