Editing 1237 (section)

==== Levant ====
* Spring &ndash; [[Al-Ashraf Musa, Emir of Damascus|Al-Ashraf Musa]], Ayyubid ruler of [[Damascus]], assembles his allies and secures his active support of [[Kayqubad I]], Sejuk ruler of the [[Sultanate of Rum]]. A civil war seems inevitable when Kayqubad is poisoned during a feast at [[Kayseri]], on [[May 31]].<ref>Steven Runciman (1952). ''A History of The Crusades. Vol III: The Kingdom of Acre'', p. 176. {{ISBN|978-0-241-29877-0}}.</ref> Meanwhile, the Seljuks strengthen the fortresses in the eastern provinces against the Mongols.
* [[August 27]] &ndash; Al-Ashraf becomes dangerously ill and dies after an 8-year reign. He is succeeded by his brother [[As-Salih Ismail, Emir of Damascus|As-Salih Ismail]] – who defends Damascus against his elder brother [[Al-Kamil]], Ayyubid ruler of [[Egypt in the Middle Ages|Egypt]]. In October, Ismail has the suburbs burnt to prevent the Egyptian forces from shelter.<ref>Burns, Ross (2005). ''Damascus: A History'', p. 186. Routledge. {{ISBN|978-0-415-27105-9}}.</ref>