Editing 1142 (section)

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

==== Byzantine Empire ====
* Spring &ndash; Emperor [[John II Komnenos]] and his sons lead a Byzantine expeditionary force across [[Anatolia]] to [[Antalya]]. He drives back the [[Seljuk Empire|Seljuks]] and [[Turkmens|Turcomans]] – who again are trying to invade [[Phrygia]]. John strengthens the frontier defences in northern [[Bilad al-Sham|Syria]] and sends an embassy to [[Kingdom of Germany|Germany]] – to seek an alliance against King [[Roger II of Sicily]]. To seal the alliance, the emissaries request that King [[Conrad III of Germany|Conrad III]] send a princess of his family to be married to the emperor's son, [[Manuel I Komnenos|Manuel]]. Instead, Conrad selects his sister-in-law, [[Bertha of Sulzbach]], and sends her to the [[Byzantine Empire]] escorted by [[Emicho|Emicho of Leiningen]], bishop of [[Prince-Bishopric of Würzburg|Würzburg]].<ref>[[Steven Runciman]] (1952). ''A History of The Crusades. Vol II: The Kingdom of Jerusalem'', p. 179. {{ISBN|978-0-241-29876-3}}.</ref>
* Late Summer &ndash; John II establishes a supply base for his further campaigns at Antalya. While waiting for reinforcements, his eldest son [[Alexios Komnenos (co-emperor)|Alexios]] and appointed heir, falls ill and dies. His other two sons, [[Andronikos Komnenos (son of John II)|Andronikos]] and [[Isaac Komnenos (son of John II)|Isaac]] are tasked to escort the body, but during the voyage Andronikos also dies. John continues his campaign against the [[Armenian kingdom of Cilicia]] – to re-conquer the fortresses that the [[Danishmendids|Danishmends]] have taken. He appears by forced marches at [[Turbessel]] in mid-September.<ref>Steven Runciman (1952). ''A History of The Crusades. Vol II: The Kingdom of Jerusalem'', p. 179. {{ISBN|978-0-241-29876-3}}.</ref> Meanwhile, Isaac brings the corpses of his two brothers back to [[Constantinople]], where they are entombed in the [[Zeyrek Mosque|Pantokrator Monastery]].

==== Europe ====
* King [[Louis VII of France|Louis VII]] the Younger of France becomes involved in a civil war with [[Theobald II, Count of Champagne|Theobald II]] ("the Great"), count of [[County of Champagne|Champagne]], by permitting his cousin [[Ralph I, Count of Vermandois|Ralph I of Vermandois]] (''[[seneschal]]'' of [[France in the Middle Ages|France]]) to repudiate his wife, Theobald's sister [[Eleanor of Champagne]], and to marry [[Petronilla of Aquitaine]], who was the sister of King Louis VII’s wife, Queen [[Eleanor of Aquitaine]].
* [[Sigurd II of Norway|Sigurd II]], a Norwegian pretender, is joined in his efforts to overthrow the 7-year-old King [[Inge I of Norway|Inge Haraldsson]] of Norway by Inge's older half-brother [[Eystein II of Norway|Eystein II]], who becomes co-ruler. He receives one third of the late [[Harald Gille|Harald]]'s kingdom.
* May &ndash; Conrad III makes a peace agreement with the 13-year-old [[Henry the Lion]] at [[Frankfurt]]. He is appointed as duke of [[Duchy of Saxony|Saxony]], which territories are deprived from his father, the late Duke [[Henry X, Duke of Bavaria|Henry the Proud]].<ref>Emmerson, Richard K. (2013). ''Key Figures in Medieval Europe'', p. 320. {{ISBN|978-1-136-77518-5}}.</ref>
* Duke [[Władysław II the Exile]] attempts to subject his younger (half)-brothers to re-unite [[Kingdom of Poland (1025–1385)|Poland]]. He is supported by the alliances with the [[Kievan Rus']] and the [[Holy Roman Empire]]. 
* Summer &ndash; [[Conrad III of Germany|Conrad III]] enters [[Duchy of Bohemia|Bohemia]] to reinstate his brother-in-law [[Vladislaus II, Duke and King of Bohemia|Vladislaus II]] as duke, whose half-sister [[Gertrude of Babenberg, Duchess of Bohemia|Gertrude of Babenberg]] he is married. Conrad lays siege to the [[Prague Castle]].
* [[Siege of Lisbon (1142)]]: King [[Afonso I Henriques]] of [[Portugal]] attempts to besiege Lisbon with the aid of a group of Anglo-Norman crusaders.<ref>{{cite journal | author=Lucas Villegas-Aristizábal | title=Revisiting the Anglo-Norman Crusaders' Failed Attempt to Conquer Lisbon c. 1142 | journal=Portuguese Studies | volume=29 | issue=1 | date=2013 | doi=10.5699/portstudies.29.1.0007 | page=7}}</ref>

==== England ====
* Autumn &ndash; The 9-year-old [[Henry II of England|Henry of Anjou]], a son of Queen [[Empress Matilda|Matilda]], lands on the south coast of [[Kingdom of England|England]] with his uncle, Earl [[Robert, 1st Earl of Gloucester|Robert of Gloucester]] and several knights. Henry travels to [[Bristol]], centre of [[Angevin Empire|Angevin]] opposition to King [[Stephen, King of England|Stephen]], where he is educated by Master Matthew. Meanwhile, Robert captures [[Lulworth Castle]], [[Rufus Castle]] ("Bow and Arrow Castle") on the [[Isle of Portland]] and [[Wareham Castle and town defences|Wareham Castle]].
* December &ndash; Stephen lays siege to [[Oxford Castle]], trapping Matilda and her supporters inside the city. Just before [[Christmas]] she manages to escape across the snow and ice of the frozen [[River Thames|Thames River]] – dressed in white (to get past Stephen's pickets), and safely reaches [[Abingdon-on-Thames|Abingdon]]. The next day Oxford Castle surrenders to Stephen, Matilda rides with an escort to [[Wallingford Castle]], where she seeks refuge.

==== Levant ====
* Autumn &ndash; [[Imad al-Din Zengi]], Seljuk governor (''[[atabeg]]'') of [[Mosul]], continues his campaign against the [[Kurds]] in southeastern Anatolia (since [[1141]]). Byzantine forces under John II fail to take [[Principality of Antioch|Antioch]].<ref>David Nicolle (2009). Osprey: Campaign 204. ''The Second Crusade 1148: Disaster outside Damascus'', p. 15. {{ISBN|978-184603-354-4}}.</ref>
* [[Raymond II, Count of Tripoli|Raymond II]], count of [[County of Tripoli|Tripoli]], grants property in the county (such as the massive castle [[Krak des Chevaliers]]) to the [[Knights Hospitaller]]. After acquiring the site, they begin building new fortifications.<ref>Nicholson, Helen J. (2001). ''The Knights Hospitaller'', p. 11. Woodbridge: Boydell & Brewer. {{ISBN|978-0-85115-845-7}}.</ref>

==== Africa ====
* [[Abd al-Mu'min]], ruler of the [[Almohad Caliphate]], is unable to feed his population during a [[famine]]. He recognize the ''[[de facto]]'' protectorate of Roger II to support the commercial center of [[Mahdia]].<ref>{{cite book|last=Abulafia|first=David|title=The Norman kingdom of Africa and the Norman expeditions to Majorca and the Muslim Mediterranean|year=1985|publisher=Boydell Press|location=Woodbridge|isbn=0-85115-416-6|url=https://books.google.com/books?id=4DZf-RBtZ7IC&pg=PA32 }}</ref>
* A [[Italo-Norman|Norman]] raid against the city of [[Tripoli, Libya|Tripoli]] fails.<ref>{{cite journal |last=Bresc |first=Henri |year=2003 |title=La Sicile et l'espace libyen au Moyen Age |trans-title=Sicily and the Libyan space in the Middle Ages |url=http://www.storiamediterranea.it/public/md1_dir/b1462.pdf |url-status=live |journal=Africa |language=fr |volume=63 |issue=2 |pages=187–208 |jstor=25734500 |archive-url=https://ghostarchive.org/archive/20221009/http://www.storiamediterranea.it/public/md1_dir/b1462.pdf |archive-date=2022-10-09 |access-date=17 January 2012}}</ref>

==== Asia ====
* [[January 5]] &ndash; Emperor [[Emperor Sutoku|Sutoku]] abdicates the throne after a 19-year reign and becomes a monk. He is succeeded by his 3-year-old brother [[Emperor Konoe|Konoe]], who accedes as the 76th [[List of emperors of Japan|emperor of Japan]].
* [[January 28]] &ndash; Despite having saved the southern [[Song dynasty|Song Dynasty]] from attempts by the northern [[Jin dynasty (1115–1234)|Jin Dynasty]] to conquer it, Chinese general [[Yue Fei]] is executed by the Song government.
* [[October 11]] &ndash; [[Treaty of Shaoxing]]: The northern Jin Dynasty and Southern Song Dynasty sign a peace treaty, this ending the [[Jurchen campaigns against the Song Dynasty]] in [[China]]. 
====America====

* [[August 31]] - Suggested date of the founding of the '''[[Iroquois Confederacy]]'''.<ref>{{cite journal | last1=Mann | first1=Barbara A. | last2=Fields | first2=Jerry L. | title=A Sign in the Sky: Dating the League of the Haudenosaunee | journal=American Indian Culture and Research Journal  | volume=21 | issue=2 | date=1997-03-01 | doi=10.17953/aicr.21.2.k36m1485r3062510 | doi-broken-date=December 9, 2024 | issn=0161-6463| url=https://escholarship.org/content/qt27g1b5px/qt27g1b5px.pdf?t=rzjj0w }}</ref>

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