Editing 1146 (section)

=== By place ===

==== Europe ====
* [[March 31]] &ndash; [[Bernard of Clairvaux]], commissioned by Pope [[Pope Eugene III|Eugene III]], preaches the [[Second Crusade]] at [[Vézelay]], in [[Burgundy]]. King [[Louis VII of France]] and his wife, Queen [[Eleanor of Aquitaine]], take up the cross. In a repeat of the events of [[1096]], Crusaders attack and massacre Jewish communities along the [[Rhine]]. Encouraged by his success, Bernard undertakes a tour in Burgundy, [[Duchy of Lorraine|Lorraine]] and [[County of Flanders|Flanders]] – preaching the Crusade as he goes.
* [[Władysław II the Exile|Władysław II]] ('''the Exiled'''), High Duke of [[Kingdom of Poland (1025–1385)|Poland]], suffers a defeat against the coalition forces under his brother [[Bolesław IV the Curly|Bolesław IV]] ('''the Curly'''). Władysław and his family escape across the border to [[Duchy of Bohemia|Bohemia]] and later seek refuge in [[Kingdom of Germany|Germany]]. Bolesław captures [[Duchy of Silesia|Silesia]] and the [[Seniorate province|Senioral]] territories, and becomes the new ruler of [[Greater Poland]].
* The [[Republic of Genoa]] raids the Muslim-held [[Balearic Islands]].<ref>Picard C. (1997). ''La mer et les musulmans d'Occident au Moyen Age''. Paris: Presses Universitaires de France.</ref> The [[Republic of Pisa]] protests officially – seeing the islands as rightfully theirs.<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> The Genoese then proceed to lay siege to [[Almería]], in vain.<ref name="genoese crusade">{{cite journal|last=Williams|first=John B.|title=The making of a crusade: the Genoese anti-Muslim attacks in Spain 1146-1148|journal=Journal of Medieval History|year=1997|volume=23|issue=1|pages=29–53|doi=10.1016/s0304-4181(96)00022-x}}</ref> 
* The Republic of Genoa reaches a commercial agreement with [[Ramon Berenguer IV, Count of Barcelona|Ramon Berenguer IV]], count of [[County of Barcelona|Barcelona]], granting privileges to merchants of both nations in the [[Catalonia|Catalan]] and [[Liguria]]n ports.<ref name="genoese crusade"/>
* [[December 25]] &ndash; [[Diet of Speyer]]: King [[Conrad III of Germany|Conrad III]] takes the cross and secures the election of his 10-year-old son [[Henry Berengar|Henry]] as his successor in Germany.
* The city of [[Bryansk]] (modern [[Russia]]) is first mentioned in the [[Hypatian Codex]].

==== Levant ====
* Autumn &ndash; [[Siege of Edessa (1146)|Siege of Edessa]]: The Crusaders under [[Joscelin II, Count of Edessa|Joscelin II]] recapture [[Edessa]] (Northern [[Syria]]) from [[Nur ad-Din (died 1174)|Nur ad-Din]], Seljuk ruler of [[Damascus]]. After not receiving support from the other [[Crusader states]], Nur ad-Din counter-raids the territory of [[Principality of Antioch|Antioch]] but withdraws his forces to retake Edessa in November.<ref>David Nicolle (2009). ''The Second Crusade 1148: Disaster outside Damascus'', p. 37. {{ISBN|978-1-84603-354-4}}.</ref>

==== Seljuk Empire ====
* [[Eldiguz]], Seljuk ruler (''[[atabeg]]'') of [[Azerbaijan]], founds the [[Eldiguzids|Eldiguzid Dynasty]] and establishes an independent state within the [[Seljuk Empire]].

==== Africa ====
* Summer &ndash; King [[Roger II of Sicily|Roger II]] launches a full scale invasion into [[Ifriqiya|North Africa]], seizing lands from Emir [[Abu'l-Hasan al-Hasan ibn Ali]] in what is now parts of [[Algeria]], [[Tunisia]] and [[Libya]] – thereby opening up more of the mercantile wealth of the Muslim world to Sicilian merchants. On [[June 18]], [[George of Antioch]] conquers [[Tripoli, Libya|Tripoli]] and establishes more Sicilian authority.<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/b1642.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/b1642.pdf |archive-date=2022-10-09 |access-date=17 January 2012}}{{Dead link|date=January 2021|bot=InternetArchiveBot|fix-attempted=yes}}</ref>
* The [[Almohad Caliphate|Almohad]] caliph [[Abd al-Mu'min]] conquers most of [[Morocco]] from the [[Almoravid dynasty|Almoravids]].