834 CE

Ansegisus, Frankish abbot and advisor of former emperor Charlemagne, dies at Fontenelle Abbey in Normandy (or 833). Danish Vikings raid the trading settlement of Dorestad (present-day Wijk bij Duurstede), located in the southeast of the province of Utrecht (modern Netherlands). Summer – The Viking ship of Oseberg near Tønsberg (modern Norway) is buried in a mound, during the Viking Age (approximate date).

Geopolitics & Diplomacy

March 1 – Emperor Louis the Pious is restored as sole ruler of the Frankish Empire. After his re-accession to the throne, his eldest son Lothair I flees to Burgundy.source

Exploration & Expansion

Danish Vikings raid the trading settlement of Dorestad (present-day Wijk bij Duurstede), located in the southeast of the province of Utrecht (modern Netherlands).source
Summer – The Viking ship of Oseberg near Tønsberg (modern Norway) is buried in a mound, during the Viking Age (approximate date).source

Climate & Environment

The first mention is made of the Jona River ('the cold one') in Switzerland (approximate date).source

Births

Tan Quanbo, Chinese warlord (d. 918)source
Euthymius I, Ecumenical Patriarch of Constantinople (d. 917)source
Aud the Deep-Minded, Icelandic queensource
Pi Rixiu, Chinese poet (approximate date)source
Robert, Frankish nobleman (d. 866)source
Lady Shuiqiu, wife of Qian Kuan (d. 901)source

Deaths

July 20 or 833 – Ansegisus, Frankish abbotsource
July 20 – Ansegisus, Frankish abbot and advisor of former emperor Charlemagne, dies at Fontenelle Abbey in Normandy (or 833).source
Robert III, Frankish nobleman (b. 800)source
Cellach mac Brain, king of Leinster (Ireland)source
Nasr ibn 'Abdallah, Muslim governorsource
Adelchis I, duke of Spoleto (Italy)source
Wang Chengyuan, Chinese general (b. 801)source
King Óengus II dies after a 14-year reign. He is succeeded by his nephew Drest IX, as ruler of the Picts.source
Wang Tingcou, general of the Tang dynastysource
Fridugisus, Anglo-Saxon abbot (approximate date)source