Editing 1228 (section)

==== Europe ====
* [[April 25]] &ndash; The 16-year-old [[Isabella II of Jerusalem|Isabella II]], Holy Roman Empress and wife of Frederick II, dies after giving birth to her second child, [[Conrad IV of Germany|Conrad IV]], at [[Andria]]. He receives the title [[Kings of Jerusalem|King of Jerusalem]] (as '''Conrad II''') – with Frederick as [[regent]]. By his father, Conrad is the grandson of the [[Hohenstaufen]] Emperor [[Henry VI, Holy Roman Emperor|Henry VI]] and great-grandson of the late Emperor [[Frederick I, Holy Roman Emperor|Frederick I]] ('''Barbarossa''').
* Emperor [[Robert I, Latin Emperor|Robert I]] (or '''Courtenay''') dies after a 7-year reign in [[Morea]] (Southern [[Greece]]). He is succeeded by his 11-year-old brother, [[Baldwin II, Latin Emperor|Baldwin II]], as ruler of the [[Latin Empire]] in [[Constantinople]], with [[John of Brienne]] as regent.
* King [[James I of Aragon|James I]] ('''the Conqueror''') launches a major offensive against the Almohads in [[Mallorca|Majorca]]. At the same moment, Emir Ibn Hud al-Yamadi (confronted by increasing Christian pressure) denounces Almohad rule in [[Murcia]] (modern [[Spain]]) and acknowledges the [[Abbasid caliph|Abbasid Caliphate]] as legitimate overlord, in effect declaring independence.<ref name="Linehan1999">{{cite book|author1-link=Peter Linehan|editor1-link=David Abulafia|title=The New Cambridge Medieval History c.1198-c.1300|year=1999|publisher=Cambridge University Press|isbn=0-521-36289-X|pages=668–699 [672]|first=Peter|last=Linehan|editor=Abulafia, David |chapter=Chapter 21: Castile, Portugal and Navarre}}</ref> Other notable Christian success: King [[Alfonso IX of León]] conquers [[Mérida, Spain|Mérida]].<ref name=picard2000>{{cite book|last=Picard|first=Christophe|title=Le Portugal musulman (VIIIe-XIIIe siècle. L'Occident d'al-Andalus sous domination islamique|year=2000|publisher=Maisonneuve & Larose|location=Paris|isbn=2-7068-1398-9|page=110}}</ref>
* [[December 23]] &ndash; [[Stephen of Anagni]], Italian papal chaplain, is commissioned to collect a special tax in [[Kingdom of England|England]], [[Ireland]], [[Kingdom of Scotland|Scotland]] and [[Wales]] to finance Gregory X's [[War of the Keys]] against Frederick II.