Editing 1100 (section)

==== Levant ====
* [[January]] – The Seljuk ruler [[Mahmud I of Great Seljuq|Mahmud I]] is expelled from [[Baghdad]] by his brother [[Barkiyaruq]], but Mahmud manages to retake the city, during his spring offensive.<ref>{{Cite book|last=Maalouf|first=Amid|title=La Croisade vue par les Arabes|year=1983|publisher=Lattès|location=Paris|isbn=978-2-7096-0547-2|page=74}}</ref>
* [[May]] or [[June]] – [[Raymond IV, Count of Toulouse|Raymond IV]] (Saint-Gilles) sails to [[Constantinople]] to obtain the support of Emperor [[Alexios I Komnenos|Alexios I]] (Komnenos), in his attempt to seize [[Tripoli, Lebanon|Tripoli]].<ref>{{Cite book|last=Hill|first=John Hugh|title=Raymond IV de Saint-Gilles, 1041 (ou 1042)-1105|year=1959|publisher=Privat|author2=Hill, Laurita Lyttleton}}</ref>
* [[August 1]] – A [[Republic of Genoa|Genoese]] fleet leaves [[Italy]], to support the [[Crusade]]rs' efforts to conquer the coastal cities; the ships reach [[Latakia]] on  [[September 25]].<ref>{{Cite book|last=Hagenmeyer|first=Hendrich|title=Chronologie de la première croisade, 1094–1100|year=1973|publisher=Olms|isbn=978-3-487-04756-0}}</ref>
* [[August]] – [[Battle of Melitene]]: [[Bohemond I of Antioch|Bohemond I]] is captured by the [[Danishmends]], leaving [[Tancred, Prince of Galilee|Tancred]] as regent of the [[Principality of Antioch]] for two years.
* [[August 20]] – With the [[Venetian expedition to the Levant (1099–1100)|support]] of a [[Republic of Venice|Venetian]] fleet, the Crusaders under Tancred capture the coastal city of [[Haifa]].
* [[December 25]] – French Crusader [[Baldwin I of Jerusalem|Baldwin I]] is crowned first [[King of Jerusalem]] at the [[Church of the Nativity]] in [[Bethlehem]], by [[Dagobert of Pisa|Daimbert]], the new [[Latin Patriarch of Jerusalem]], following the death of the previous ruler, Baldwin's brother [[Godfrey of Bouillon]], on [[July 18]].<ref>{{Cite web|url=http://historymedren.about.com/od/bentries/a/11_baldwini.htm|title=Baldwin I of Edessa|access-date=2010-08-05|archive-date=9 May 2010|archive-url=https://web.archive.org/web/20100509212911/http://historymedren.about.com/od/bentries/a/11_baldwini.htm|url-status=dead}}</ref>
* After a success over the Armenians of [[Cilicia]] and the Emirate of [[Aleppo]], [[Baldwin II of Jerusalem|Baldwin of Bourcq]] becomes [[County of Edessa|Count of Edessa]], with the support of Daimbert.
* [[Genoa]], [[Venice]] and [[Pisa]] gain trading privileges from the [[Crusader states]], in return for their service during the conquest of the coastal cities.