857

Year 857 (DCCCLVII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.

Millennium: 1st millennium
Centuries:
Decades:
Years:
857 in various calendars
Gregorian calendar857
DCCCLVII
Ab urbe condita1610
Armenian calendar306
ԹՎ ՅԶ
Assyrian calendar5607
Balinese saka calendar778–779
Bengali calendar264
Berber calendar1807
Buddhist calendar1401
Burmese calendar219
Byzantine calendar6365–6366
Chinese calendar丙子年 (Fire Rat)
3553 or 3493
     to 
丁丑年 (Fire Ox)
3554 or 3494
Coptic calendar573–574
Discordian calendar2023
Ethiopian calendar849–850
Hebrew calendar4617–4618
Hindu calendars
 - Vikram Samvat913–914
 - Shaka Samvat778–779
 - Kali Yuga3957–3958
Holocene calendar10857
Iranian calendar235–236
Islamic calendar242–243
Japanese calendarSaikō 4 / Ten'an 1
(天安元年)
Javanese calendar754–755
Julian calendar857
DCCCLVII
Korean calendar3190
Minguo calendar1055 before ROC
民前1055年
Nanakshahi calendar−611
Seleucid era1168/1169 AG
Thai solar calendar1399–1400
Tibetan calendar阳火鼠年
(male Fire-Rat)
983 or 602 or −170
     to 
阴火牛年
(female Fire-Ox)
984 or 603 or −169
Yuhanna ibn Masawaiyh (ca. 777–857)

Events

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).

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)

References

  1. Treadgold 1997, pp. 450–451.

Sources

  • Treadgold, Warren (1997). A History of the Byzantine State and Society. Stanford, California: Stanford University Press. ISBN 0-8047-2630-2.
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