Editing 850 (section)

== Events ==
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=== By place ===

==== Europe ====
* [[February 1]] – King [[Ramiro I of Asturias|Ramiro I]] dies in his palace at [[Santa María del Naranco]] (near [[Oviedo]]), after an 8-year reign. He is succeeded by his son [[Ordoño I of Asturias|Ordoño I]], as ruler of [[Kingdom of Asturias|Asturias]].
* [[Denmark|Danish]] [[Vikings|Viking]] raiders, led by King [[Rorik of Dorestad|Rorik]], conquer [[Dorestad]]<ref>{{Cite book |last=Roberts |first=Wilmer Lynn |url=https://books.google.com/books?id=G1FKAQAAMAAJ |title=Roman and Frankish Government in the Low Countries, 57 B.C. – 925 A.D. |date=1963 |publisher=University of California |pages=247 |language=en}}</ref> and [[Utrecht]] (modern-day [[Netherlands]]). Emperor [[Lothair I]] recognizes him as ruler of most of [[Frisia|Friesland]].
* King [[Louis II of Italy|Louis II]], the eldest son of Lothair I, is crowned joint emperor by [[Pope Leo IV]] at [[Rome]], and becomes co-ruler of the [[Middle Francia|Middle Frankish Kingdom]].

==== Britain ====
* King [[Kenneth mac Alpin|Kenneth I]] (also called '''Kenneth MacAlpin''') of [[Alba]] (modern [[Scotland]]) invades [[Kingdom of Northumbria|Northern Northumbria]] during the period of 850–[[858]], burning [[Dunbar]] and [[Melrose, Scottish Borders|Melrose]].
* The [[Pillar of Eliseg]] is erected by King [[Cyngen ap Cadell]] of [[Kingdom of Powys|Powys]] ([[Wales]]), as a [[memorial]] to his great-grandfather [[Elisedd ap Gwylog]] (or '''Eliseg''') (approximate date).

=== Middle East ===
* The [[Abbasid]] caliph [[al-Mutawakkil]] issues a decree that orders Jews and Christians to wear the [[zunnar]], honey-coloured outer garments and [[Yellow badge|badge-like patches]] on their on their servants' clothing.<ref name="Stillman">{{cite book |last1=Stillman |first1=Norman |title=Arab Dress, A Short History: From the Dawn of Islam to Modern Times |date=June 8, 2022 |publisher=BRILL |isbn=978-90-04-49162-5 |page=104 |url=https://books.google.com/books?id=YUB0EAAAQBAJ |access-date=October 3, 2024 |language=en}}</ref>

==== Japan ====
* [[May 6]] – Emperor [[Emperor Ninmyō|Ninmyō]] dies after a 17-year reign. He is succeeded by his son [[Emperor Montoku|Montoku]], as the 55th [[emperor of Japan]].

==== India ====
* It is hypothesized that sometime around 850 a group of [[Buddhism|Buddhist]] pilgrims travelling through a valley near [[Roopkund]] (modern India) were killed when caught out in the open in a sudden [[hail]]storm. Their remains were discovered in [[1942]].

==== Mesoamerica ====
* [[Uxmal]] becomes the capital of a large state in the [[Puuc|Puuk]] hills region of northern [[Yucatán Peninsula|Yucatán]] (modern [[Mexico]]). The city is connected by causeways (''[[Sacbe|sakbe]]'') to other important Puuk sites, such as [[Kabah (Maya site)|K'abah]], [[Sayil]], and [[Labna]] (approximate date).

=== By topic ===

==== Food and Drink ====
* [[History of coffee|Coffee]] is discovered (according to [[legend]]) by the [[Ethiopia]]n goatherder [[Kaldi]] in [[East Africa]], who notices that his [[goat]]s become energetic after chewing the red [[Berry|berries]] from certain wild bushes (approximate date).

==== Religion ====
* [[April 22]] – [[Gunther (archbishop of Cologne)|Gunther]] becomes [[archbishop of Cologne]] (modern [[Germany]]).
* [[June 18]] – [[Perfectus|Perfecto]], a Christian [[priest]] in Muslim [[Córdoba, Spain|Córdoba]], is executed ([[Decapitation|beheaded]]) after he refuses to retract critical comments he made about [[Muhammad]].
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