__NOTOC__ Year 857 ( DCCCLVII) was a

common year starting on Friday A common year starting on Friday is any non-leap year (i.e. a year with 365 days) that begins on Friday, 1 January, and ends on Friday, 31 December. Its dominical letter hence is C. The most recent year of such kind was 2021 and the next one will ...

(link will display the full calendar) of the

Julian calendar The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandr ...

Events

By place

Byzantine Empire

* Emperor

Michael III Michael III ( grc-gre, Μιχαήλ; 9 January 840 – 24 September 867), also known as Michael the Drunkard, was Byzantine Emperor from 842 to 867. Michael III was the third and traditionally last member of the Amorian (or Phrygian) dynasty. ...

, under the influence of his uncle

Bardas Bardas ( el, Βάρδας; died 21 April 866) was a Byzantine Empire, Byzantine noble and high-ranking minister. As the brother of Empress Theodora (wife of Theophilos), Theodora, he rose to high office under Theophilos (emperor), Theophilos (. ...

, banishes his mother

Theodora Theodora is a given name of Greek origin, meaning "God's gift". Theodora may also refer to: Historical figures known as Theodora Byzantine empresses * Theodora (wife of Justinian I) ( 500 – 548), saint by the Orthodox Church * Theodora o ...

to the

Gastria Monastery Sancaktar Hayrettin Mosque ( tr, Sancaktar Hayrettin Câmîi; also ''Sancaktar Hayrettin Mescidi'', where ''Mescit'' is the Turkish word for a small mosque, or ''Sancaktar Mescidi'') is part of a former Eastern Orthodox monastery converted into ...

. Bardas, the ''de facto''

regent A regent (from Latin : ruling, governing) is a person appointed to govern a state '' pro tempore'' (Latin: 'for the time being') because the monarch is a minor, absent, incapacitated or unable to discharge the powers and duties of the monarchy ...

, becomes the most powerful person in the

Byzantine Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

Europe

November November is the eleventh and penultimate month of the year in the Julian and Gregorian Calendars, the fourth and last of four months to have a length of 30 days and the fifth and last of five months to have a length of fewer than 31 days. No ...

–

Erispoe Erispoe (french: Erispoë; la, Herispoius, Herispogius, Respogius; died 2 or 12 November 857) was Duke of Brittany from 851 to his death. After the death of his father Nominoe, he led a successful military campaign against the Franks, culminating ...

, ruler (

duke Duke is a male title either of a monarch ruling over a duchy, or of a member of royalty, or nobility. As rulers, dukes are ranked below emperors, kings, grand princes, grand dukes, and sovereign princes. As royalty or nobility, they are ran ...

) of

Brittany Brittany (; french: link=no, Bretagne ; br, Breizh, or ; Gallo language, Gallo: ''Bertaèyn'' ) is a peninsula, Historical region, historical country and cultural area in the west of modern France, covering the western part of what was known ...

, is assassinated by his cousin Salomon and followers, in the church at

Talensac Talensac (; ; Gallo: ''Talanczac'') is a commune in the department of Ille-et-Vilaine in Brittany in the northwest of France. Geography The river Meu forms all of the commune's eastern border. Located at 20 km in the West of Rennes in the ...

. King

Charles the Bald Charles the Bald (french: Charles le Chauve; 13 June 823 – 6 October 877), also known as Charles II, was a 9th-century king of West Francia (843–877), king of Italy (875–877) and emperor of the Carolingian Empire (875–877). After a ser ...

acknowledges Salomon as the rightful 'king' of Brittany. * A Danish

Viking Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and se ...

fleet raids the cities of Dorestad, Paris and Orléans. Others sail up the Oise (river), Oise River, ravaging Beauvais and the abbey of Saint-Germer-de-Fly (approximate date). * Viking chieftain Rorik of Dorestad, 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, 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 Korean poetry, poet * Li Cunjin, general of the Tang dynasty, Tang Dynasty (d. 922)

Deaths

* March 11 – Eulogius of Córdoba, Eulogius, Spanish priest and martyr * Dae Ijin, king of Balhae (Korea) *

, king (

) of

* Harith al-Muhasibi, Muslim teacher (b. 781) * Hilderic of Farfa, Frankish abbot * Kim Yang, viceroy of Silla (Korea) (b. AD 808, 808) * Masawaiyh, Yuhanna ibn Masawaiyh, Assyrian physician * Matudán mac Muiredaig, king of Ulaid (Ireland) * Ma Zhi, Chancellor of the Tang dynasty, chancellor of the Tang Dynasty * Munseong of Silla, Munseong, king of Silla (Korea) * Saint Roderick, Roderick, Spanish priest and saint * Wang Shaoding, Chinese governor (''jiedushi'') * Yahya ibn Aktham, Muslim Faqīh, jurist * Zheng Lang, chancellor of the Tang Dynasty * Ziryab, Muslim Islamic poetry, poet and Islamic music, musician (b. 789)

References

Sources

* {{DEFAULTSORT:857 857,