Byzantine Empire
Emperor Michael III, under the influence of his uncle Bardas, banishes his mother Theodora to the Gastria Monastery. Bardas, the de facto regent, becomes the most powerful person in the Byzantine Empire.[1]
Europe
November – Erispoe, ruler (duke) of Brittany, is assassinated by his cousin Salomon and followers, in the church at Talensac. King Charles the Bald acknowledges Salomon as the rightful 'king' of Brittany.
A Danish Viking fleet raids the cities of Dorestad, Paris and Orléans. Others sail up the Oise River, ravaging Beauvais and the abbey of Saint-Germer-de-Fly (approximate date).
Viking chieftain Rorik, with the agreement of King Lothair II, leaves Dorestad with a fleet and forces his rival Horik II to recognise him as ruler over Denmark (approximate date).
By topic
Medicine
The first recorded major outbreak of ergotism kills thousands of people in the Rhine Valley. They have eaten bread made from rye infected with the ergot fungus parasite Claviceps purpurea (approximate date).
Births
Choe Chiwon, Korean philosopher and poet
Li Cunjin, general of the Tang Dynasty (d. 922)
Deaths
March 11 – Eulogius, Spanish priest and martyr
Dae Ijin, king of Balhae (Korea)
Erispoe, king (duke) of Brittany
Harith al-Muhasibi, Muslim teacher (b. 781)
Hilderic of Farfa, Frankish abbot
Kim Yang, viceroy of Silla (Korea) (b. 808)
Yuhanna ibn Masawaiyh, Assyrian physician
Matudán mac Muiredaig, king of Ulaid (Ireland)
Ma Zhi, chancellor of the Tang Dynasty
Munseong, king of Silla (Korea)
Roderick, Spanish priest and saint
Wang Shaoding, Chinese governor (jiedushi)
Yahya ibn Aktham, Muslim jurist
Zheng Lang, chancellor of the Tang Dynasty
Ziryab, Muslim poet and musician (b. 789)
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Hellenica World - Scientific Library
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