Calendar overview 870
|Treaty of Mersen , the empire of Lothar II is divided between the west of France , the east of France and Italy.|
|870 in other calendars|
|Armenian calendar||318/319 (turn of the year July)|
|Buddhist calendar||1413/14 (southern Buddhism); 1412/13 (alternative calculation according to Buddha's Parinirvana )|
|Chinese calendar||59th (60th) cycle|
|Chula Sakarat (Siam, Myanmar) / Dai calendar (Vietnam)||232/233 (turn of the year April)|
|Iranian calendar||248/249 (around March 21)|
|Islamic calendar||256/257 (November 28-29)|
|Jewish calendar||4630/31 (August 30/31)|
from urbe condita MDCXXIII (1623)
Diocletian's era : 586/587 (New Year November)
|Seleucid era||Babylon: 1180/81 (turn of the year April)
Syria: 1181/82 (turn of the year October)
|Vikram Sambat (Nepalese Calendar)||926/927 (turn of the year April)|
Politics and world events
- August 8th : The Franconian Empire experiences a renewed division: Lotharingia , the middle kingdom , is divided up exactly one year after the death of childless Lothar II in the Treaty of Meerssen between Western France under Charles the Bald and Eastern France under Ludwig the German .
Viking Age in the British Isles
- Run for 865 in England roving Great Heathen Army conquered the Anglo-Saxon Kingdom of East Anglia .
- December 31 : The Battle of Englefield during the Viking Age in England between an Anglo-Saxon army from Wessex and Mercia on one side and Danish Vikings from East Anglia on the other ends with a victory for the Anglo-Saxons and the escape of the Danes .
- June 21 : Like his predecessors, al-Muhtadi , Caliph of the Abbasids , is overthrown and murdered in a conspiracy by Turkish troops. Under his successor al-Mu'tamid , the Abbasids succeed in stabilizing their rule in Samarra . However, he has to contend with the Zanj uprising that broke out last year .
First documentary mentions
Culture and religion
- February 28 : The Fourth Council of Constantinople , attended by only a few bishops, ends after four months. The Byzantine patriarch Photios I is excommunicated and banned after his dispute with Pope Nicholas I.
- October 17th : The Salvator Church in Aachen is consecrated.
- Willibert becomes the new Archbishop of Cologne after a seven-year interregnum after Gunthar was deposed .
- 27 September 870 or 873 : In Cologne is Hildebold Cathedral , the predecessor of the Cologne Cathedral , inaugurated.
- around 870: Carolingian illumination : Sacramentary Charles the Bald and Codex aureus of St. Emmeram
- Alexander , Emperor of the Byzantine Empire († 913 )
- around 870: Ebalus , West Franconian nobleman († 935 )
- around 870: Romanos I , Emperor of the Byzantine Empire († 948 )
- around 870: Zwentibold , King of Lotharingia († 900 )
- June 21 : Al-Muhtadi , Abbasid Caliph
- November 20 : Hunbeorht , last bishop of Elmham
- Al-Buchari , Persian scholar (* 810 )
- around 870: Wandalbert von Prüm , monk and writer (* 813 )