891

Updated on Sep 25, 2024

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Year 891 (DCCCXCI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.

Europe

February 21 – Guy III, duke of Spoleto, is crowned Holy Roman Emperor by Pope Stephen V. His son Lambert is proclaimed king of Italy, at the capital of Pavia in Lombardy.

Summer – Orso, Lombard prince of Benevento, is deposed after the capture of Benevento by the Byzantines. Benevento becomes the capital of the thema of Longobardia.

Battle of Leuven: Viking raiders on the Dyle River (near Leuven), in modern-day Flanders, suffer a crushing defeat by Frankish forces, under King Arnulf of Carinthia.

Arabian Empire

Muslim forces led by Abdullah ibn Muhammad al-Umawi, Umayyad emir of Córdoba, defeat the rebel leader Umar ibn Hafsun at Poley, in Al-Andalus (modern Spain).

June 2 – Al-Muwaffaq, an Abbasid prince, dies at the capital of Baghdad. His son Al-Mu'tadid is recognized as regent, and second heir of the Abbasid Caliphate.

Japan

February 25 – Fujiwara no Mototsune, Japanese statesman, dies. He had forced the resignation of Emperor Yōzei, and became head of the Fujiwara clan.

Religion

September 14 – Pope Stephen V dies after a 6-year reign. He is succeeded by Formosus, former cardinal bishop of Portus, as the 111th pope of the Catholic Church.