Editing 1279 (section)

== Deaths ==
* [[February 16]] &ndash; [[Afonso III of Portugal|Afonso III]] ("the Boulonnais"), king of [[Kingdom of Portugal|Portugal]] (b. [[1210]])
* [[March 5]] &ndash; [[Ernst von Ratzeburg]], German knight and Grand Master
* [[March 16]] &ndash; [[Joan, Countess of Ponthieu|Joan of Dammartin]], Spanish queen consort (b. [[1220]])<ref>Douglas Richardson, Kimball G. Everingham, ''Plantagenet Ancestry: A Study in Colonial and Medieval Families'', page 192</ref>
* [[March 19]] 
** [[Lu Xiufu]] (or Junshi), Chinese Grand Chancellor (b. [[1236]])
** [[Zhao Bing]], Chinese emperor ([[Song dynasty|House of Zhao]]) (b. [[1272]])
* [[March 24]] &ndash; [[Rinchen Gyaltsen]], Tibetan [[imperial preceptor]] (b. [[1238]])
* [[April 2]] &ndash; [[Abel, Lord of Langeland|Abel Abelsøn]], Danish nobleman and landowner (b. [[1252]])
* [[May 7]] &ndash; [[Alberto da Bergamo]], Italian [[Dominican Order|Dominican]] friar (b. [[1214]])
* [[May 28]] &ndash; [[William Wishart]] (or Wischard), Scottish bishop (b. [[1225]])
* [[July 15]] &ndash; [[William Langton]] (or Rotherfield), English archdeacon
* [[July 22]] &ndash; [[Philip of Spanheim]], German archbishop and patriarch
* [[August 15]] &ndash; [[Albert I, Duke of Brunswick-Lüneburg]] ("the Great"), German nobleman (b. 1236)
* [[September 3]] &ndash; [[Étienne Tempier]], French bishop and chancellor
* [[September 11]] &ndash; [[Robert Kilwardby]], English archbishop (b. [[1215]])
* [[September 18]] &ndash; [[Ulrich II, Count of Württemberg]], German nobleman and ruler (b. [[1254]])
* [[December 7]] &ndash; [[Bolesław V the Chaste]], Polish nobleman (b. [[1226]])
* [[December 18]] &ndash; [[Richard of Gravesend]], English priest and bishop
* [[Ajall Shams al-Din Omar]], Persian governor and ruler (b. [[1211]])
* [[David de Lindsay of the Byres|David de Lindsay]], Scottish nobleman and [[Lord Chamberlain]]
* [[Gilla in Choimded Ó Cerbailláin]] (or Germanus), Irish bishop
* [[Li Ye (mathematician)|Li Ye]] (or Li Zhi), Chinese mathematician and writer (b. [[1192]])
* [[Robert de Ferrers, 6th Earl of Derby]], English nobleman and landowner (b. [[1239]])
* [[Walter Giffard]], English [[Lord Chancellor]] and archbishop (b. [[1225]])