Calendar overview 891
|Photios I , former Patriarch of Constantinople, dies.|
|891 in other calendars|
|Armenian calendar||339/340 (turn of the year July)|
|Buddhist calendar||1434/35 (southern Buddhism); 1433/34 (alternative calculation according to Buddha's Parinirvana )|
|Chinese calendar||59th (60th) cycle|
|Chula Sakarat (Siam, Myanmar) / Dai calendar (Vietnam)||253/254 (turn of the year April)|
|Islamic calendar||277/278 (April 13-14)|
|Jewish calendar||4651/52 (September 8/9)|
from urbe condita MDCXLIV (1644)
Diocletian's era : 607/608 (New Year November)
|Seleucid era||Babylon: 1201/02 (turn of the year April)
Syria: 1202/03 (New Year October)
|Vikram Sambat (Nepalese Calendar)||947/948 (turn of the year April)|
Politics and world events
- June 2 : After the death of the regent al-Muwaffaq , his son al-Mu'tadid bi-'llah takes over his official duties and forces his uncle al-Muʿtamid , the Abbasid caliph , to appoint him heir to the throne.
- September: Imperial troops under the leadership of the East Franconian King Arnulf of Carinthia defeat the Viking "Great Army" in Flanders on the Dijle near Löwen .
- Bingen am Rhein is invaded by the Vikings . The Drusus Bridge over the Nahe , built by the Romans in the 1st century AD, is destroyed.
- After Sunderold's death on June 26th, Hatto I becomes Archbishop of Mainz .
- Formosus , Bishop of Porto-Santa Rufina, succeeds Stephen V , who died on September 14th, as Pope . He probably reluctantly repeats the coronation of Guido von Spoleto and crowns his son Lambert von Spoleto as co-emperor .
nature and environment
- around 10. bis 12. May : The Great Comet / 891 J1 X appears and is observed in China, the Middle East and Europe for about two months.
- February 6 : Photios I , Patriarch of Constantinople (* around 820 )
- June 2 : Al-Muwaffaq , regent of the Abbasid Empire (* 842 )
- June 26th : Sunderold , Archbishop of Mainz
- July 14th : Embricho , Bishop of Regensburg
- September 14 : Stephen V , Pope
- Fujiwara no Mototsune , Japanese court nobleman (* 836 )