Editing 1277 (section)

==== Europe ====
* [[January 21]] &ndash; [[Battle of Desio]]: Lombard forces under Archbishop [[Ottone Visconti]] defeat the [[Della Torre]] family troops for the rule of [[Milan]]. Later, Ottone enters the city in triumph, and imprisons [[Napoleone della Torre]] in the [[Castello Baradello]] at [[Como]] (Northern [[Kingdom of Italy (Holy Roman Empire)|Italy]]). 
* February &ndash; The Duke of Wrocław [[Henry IV Probus]] is kidnapped from his estates in [[Jelcz-Laskowice|Jelcz]], and moved to [[Legnica]] by [[Bolesław II the Bald]].
* March &ndash; [[Siger of Brabant]], Dutch teacher and philosopher, is condemned by the French [[Inquisition]] for his advocacy of the [[Averroism|Averroist]] doctrine that reason is separate from Christian faith.<ref>Hywel Williams (2005). ''Cassell's Chronology of World History'', p. 148. {{ISBN|0-304-35730-8}}.</ref> 
* [[March 18]] &ndash; [[Charles I of Anjou|Charles I]], king of [[Kingdom of Sicily|Sicily]], buys the title to the [[Kingdom of Jerusalem]] from [[Maria of Antioch (pretender)|Maria of Antioch]], for 1,000 [[bezant]]s and an annual payment of 4,000 [[livres tournois]].<ref>Runciman, Steven (1958). ''The Sicilian Vespers: A History of the Mediterranean World in the Later Thirteenth Century'', p. 173. Cambridge University Press. {{ISBN|978-1-107-60474-2}}.</ref><ref>{{cite book |last = Lock | first = Peter | title = The Routledge Companion to the Crusaders | publisher = Routledge | year = 2013 | isbn = 9781135131371 | url = https://books.google.com/books?id=AkCKZ9Hs4-QC |page = 119}}</ref>
* [[May 12]] &ndash; [[Mehmet I of Karaman]], Seljuk vizier, issues a [[firman]] (decree) ordering the Turkish language to be used, instead of Arabic or Persian in government offices.
* August &ndash; Marinid forces led by Sultan [[Abu Yusuf Yaqub ibn Abd al-Haqq|Abu Yusuf]] cross the [[Strait of Gibraltar]] and marches north, ravaging the districts of [[Jerez de la Frontera]], [[Seville]] and [[Córdoba, Spain|Córdoba]].<ref>Joseph F. O'Callaghan (2011). ''The Gibraltar Crusade: Castile and the battle for the Strait'', p. 73. {{ISBN|978-0-8122-2302-6}}.</ref>