842

Quality 0.50 · 1 view · Updated 2 months ago

title: "842" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["842"] topic_path: "general/842" source: "https://en.wikipedia.org/wiki/842" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::callout[type=note] 842 ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/f/f9/Solidus-Michael_III-sb1686.jpg" caption="publisher=Oxford University Press}}"] ::

NOTOC Year 842 (DCCCXLII) was a common year starting on Sunday of the Julian calendar, the 842nd year of the Common Era (CE) and Anno Domini (AD) designations, the 842nd year of the 1st millennium, the 42nd year of the 9th century, and the 3rd year of the 840s decade.

Events

By place

Byzantine Empire

January 20 – Emperor Theophilos dies of dysentery at Constantinople, after a 12-year reign in which he expended much effort defending the eastern frontier against the invading Muslim Arabs. Theophilos is succeeded by his 2-year-old son Michael III, with his mother Theodora as regent and the 'temporary' sole ruler of the Byzantine Empire.
February 19 – The Medieval Iconoclastic Controversy ends, as a council in Constantinople formally reinstates the veneration of icons in the churches.

Europe

February 13 – Last reported sighting of the comet X/841 Y1 according to the Annals of Fontenelle.
February 14 – Oaths of Strasbourg: King Louis the German, ruler of East Francia, and his half-brother Charles the Bald, ruler of West Francia, meet with their armies at Strasbourg. They agree to swear allegiance (recorded in vernacular languages) to each other, and to support each other against their brother Lothair I (nominal emperor of all the Frankish kingdoms and the Holy Roman Empire).
March 20 – King Alfonso II of Asturias (Northern Spain) dies after a 50-year reign, in which he undertook numerous campaigns against the Muslim armies of the Umayyad Emirate of Córdoba, and allied himself with the late Charlemagne. The childless Alfonso chooses Ramiro I, son of former king Bermudo I, as his successor.

Britain

Uurad of the Picts dies after a 3-year reign, and is succeeded by his son Bridei VI, who contests his power with rival groups, led by Bruide son of Fokel and Kenneth MacAlpin.
Vikings attack the Irish monastery at Clonmacnoise from bases in Ireland.

Abbasid Caliphate

::figure[src="https://upload.wikimedia.org/wikipedia/commons/a/a5/Abbasid_Dinar_-_Al-Mu'tasim-225h.jpg" caption="al-Mutasim]], he became ill and died on 05–01–842"] ::

January 5 – Caliph Al-Mu'tasim dies at Samarra (modern Iraq), after an eight year reign. He is succeeded by his son Al-Wathiq, as ruler of the Abbasid Caliphate.
Abbasid caliph Al-Wathiq appointed his brother, Jaʽfar ibn Muhammad al-Mutasim (future al-Mutawakkil) as Leader of Hajj in 842.

Births

Al-Mundhir, Muslim emir (approximate date)
Al-Muwaffaq, Muslim prince and regent (d. 891)
Li Hanzhi, Chinese warlord (d. 899)
Pietro I Candiano, doge of Venice (approximate date)
Yang Fuguang, Chinese general (d. 883)

Deaths

January 5 – Al-Mu'tasim, Muslim caliph (b. 796)
January 20 – Theophilus, Byzantine emperor (b. 813)
March 9 – Humbert, bishop of Würzburg
March 16 – Xiao Mian, chancellor of the Tang Dynasty
August 16 – Death of Qaratis also known as Umm Harun, was the mother of Abbasid caliph al-Wathiq (r. 842–847). She died during her Hajj pilgrimage journey.
August 24 – Saga, emperor of Japan (b. 786)
October 22 – Abo, Japanese prince (b. 792)
Alfonso II, king of Asturias (b. 759)
Bernard of Vienne, Frankish bishop (b. 778)
Dúngal mac Fergaile, king of Osraige (Ireland)
Li Cheng, chancellor of the Tang Dynasty
Liu Yuxi, Chinese poet and philosopher (b. 772)
Sugawara no Kiyotomo, Japanese nobleman (b. 770)
Uurad, king of the Picts (approximate date)
We Gyaltore Taknye, Tibetan nobleman
Zheng Tan, chancellor of the Tang Dynasty

References

(2023-03-02). "fut, int.". Oxford University Press.
John Skylitzes, ''A Synopsis of Byzantine History, 811—1057: Translation and Notes'', transl. John Wortley, 81note114.
(2022). "Comets and Political Anxieties in the First Half of the Ninth Century: New Light on Comets X/839 B1 and X/841 Y1". [[Journal of Astronomical History and Heritage]].
Pierre Riche, ''The Carolingians: The Family who forged Europe'', transl. Michael Idomir Allen, (University of Pennsylvania Press, 1983), p. 162.

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::