839

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Calendar year

title: "839" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["839"] description: "Calendar year" topic_path: "general/839" source: "https://en.wikipedia.org/wiki/839" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Calendar year ::

::callout[type=note] 839 ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/d/d6/Æthelwulf_-_MS_Royal_14_B_VI.jpg" caption="Æthelwulf of Wessex]] (839–858)"] ::

NOTOC Year 839 (DCCCXXXIX) was a common year starting on Wednesday of the Julian calendar.

Events

By place

Europe

Prince Sicard of Benevento is assassinated by a conspiracy among the nobility. He is succeeded by Radelchis I, chief army officer and treasurer of Sicard, who proclaims himself ruler of Benevento. He imprisons Siconulf, heir and brother of Sicard, in Taranto. But Amalfitan merchants, led by Landulf I, the gastald of Capua, and with the support of Guaifer, rescue him from prison. Siconulf is proclaimed prince of Salerno, and a civil war erupts, which splits the Lombard principality in Southern Italy.
Third Civil War: King Louis the German, grandson of Charlemagne, invades Swabia. His nephew, Pepin II of Aquitaine, and his Gascon subjects, conquer territory all the way to the Loire.
May 20 — Thirteen months before his death, Louis the Pious, successor to his father Charlemagne, consents to the division of Charlemagne's empire among his sons in a declaration at Worms. Upon Louis I's death in 840, Lothair (age 45) is devised Middle Francia that includes Switzerland and northern Italy; Louis the German (Louis II), age 36, receives Eastern Francia that includes much of Germany; and Charles the Bald (17) gets West Francia that incorporates most of France.
The Hungarians (also known as Magyars) who until this time have lived east of the Carpathians, raid the Lower Danube at the request of the Bulgarian Empire against the Byzantine insurgents.
Approximate date – Danish Vikings return to ravage the Frisian coast (sacking Dorestad for the second time).
The first official mention of Andorra is recorded, in the manuscripts of the cathedral at La Seu d'Urgell (modern Spain).

Britain

Ecgberht, King of Wessex, dies after a 37-year reign, and is succeeded by his son Æthelwulf ("Noble Wolf") as ruler of Wessex. Æthelwulf's eldest son, Æthelstan, is made sub-king of Kent, Essex, Surrey and Sussex, under his father.
Battle of 839: Eóganan mac Óengusa, King of the Picts, his brother Bran, Áed mac Boanta, King of Dál Riata, "and others almost innumerable" are killed in a battle fought by the men of Fortriu in Scotland against Vikings. Alpín mac Echdach (Alpín II) apparently succeeds Áed.

Births

Charles the Fat, Frankish emperor (d. 888)
He Quanhao, general of the Tang dynasty (d. 870)
Liu Chongwang, Chancellor of the Tang dynasty (d. 900)
Muhammad ibn Jarir al-Tabari, Persian scholar (d. 923)

Deaths

April 21 – Pei Du, chancellor of the Tang dynasty (b. 765)
June 16 – Rorgon I, count of Maine (or 840)
Áed mac Boanta, king of Dál Riata
Aznar Galíndez I, king of Aragon
Cathal mac Muirgiussa, king of Connacht
Chengguan, Chinese Buddhist monk (b. 738)
Cummascach mac Congalaig, king of Brega
Ecgberht, king of Wessex
Eóganan mac Óengusa, king of the Picts
Ibrahim ibn al-Mahdi, Muslim prince (b. 779)
Muhammad at-Taqi, Muslim ninth Ismā'īlī imam (or 840)
Muiredach mac Eochada, king of Ulaid
Sicard, prince of Benevento
Vache, prince of Kakheti
Wiglaf, king of Mercia

References

Sources

References

Kreutz, Barbara M (1991). Before the Normans: Southern Italy in the Ninth and Tenth Centuries, p. 23 (University of Pennsylvania, Press: Philadelphia).
Bóna, István (2000). ''The Hungarians and Europe in the 9th-10th centuries''. Budapest: Historia - MTA Történettudományi Intézete, p. 11. {{ISBN. 963-8312-67-X.
''[[Annals of Ulster]]''.

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