Editing 1262 (section)

== Events ==
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=== By place ===

==== Mongol Empire ====
* [[Berke–Hulagu war]]: Mongol forces under [[Berke Khan]], ruler of the [[Golden Horde]], raid territory in the [[Caucasus]] belonging to his cousin [[Hulagu Khan]], ruler of the [[Ilkhanate]]. Berke supports the Georgian rebels and allies with the Mamluks. He defeats the Ilkhanate forces on the [[Terek (river)|Terek River]], together with the Mamluk army led by [[Baibars]] (or Abu al-Futuh), saving [[Palestine (region)|Palestine]] and [[Arabian Peninsula|Arabia]] from Ilkhanate occupation.

==== Europe ====
* [[March 8]] &ndash; [[Battle of Hausbergen]]: The [[Bourgeoisie|bourgeois]] of [[Strasbourg]] defeat a German army of knights (some 5,000 men) under Bishop [[List of bishops, prince-bishops and archbishops of Strasbourg|Walter of Geroldseck]]. Strasbourg becomes an [[imperial Free City]] of the [[Holy Roman Empire]].
* May &ndash; King [[Alfonso X of Castile|Alfonso X]] ("the Wise") of [[Kingdom of Castile|Castile]] and [[Kingdom of León|León]], at a meeting in [[Jaén, Spain|Jaén]], demands military support from [[Muhammad I of Granada|Muhammad I]], ruler of [[Emirate of Granada|Granada]], and relinquishes the ports of [[Tarifa]] and [[Algeciras]] to prepare an invasion of [[North Africa]].
* [[September 14]] &ndash; ''[[Reconquista]]'': Castilian-Leonese forces led by Alfonso X conquer [[Cádiz]]. The city has been under Moorish rule since [[AD 711|711]]. The Muslims are ousted, and Alfonso repopulates the region (also called the [[Repoblación]]).<ref>O'Callaghan, Joseph F. (2011). ''The Gibraltar Crusade: Castile and the Battle for the Strait'', p. 32. Philadelphia: University of Pennsylvania Press. {{ISBN|978-0-8122-4302-4}}.</ref>
* The [[Icelandic Commonwealth]] enters into the [[Old Covenant (Iceland)|Old Covenant]] (''Gissurarsáttmáli''), establishing a union with [[Kingdom of Norway (872–1397)|Norway]], and acknowledges King [[Haakon IV of Norway]] ("the Old") as its ruler.
* King [[Mindaugas]] of [[Lithuania]] perhaps renounces [[Christianity]], returning to the country's [[Paganism|pagan]] roots, and reverting to Grand Duke.<ref>{{cite encyclopedia|editor=Sužiedėlis, Simas|encyclopedia=[[Encyclopedia Lituanica]]|title=Mindaugas|year=1970–1978|publisher=Juozas Kapočius|volume=III|location=Boston, Mass.|pages=538–543|lccn=74-114275}}</ref>

==== Levant ====
* [[Al-Hakim I]], a member of the [[Abbasid dynasty]], travels to [[Egypt in the Middle Ages|Egypt]] and is proclaimed as caliph of [[Cairo]] in succession to his former rival [[Al-Mustansir II]]. After his arrival, he is imprisoned at the [[Cairo Citadel|Citadel of Cairo]] by orders of Sultan [[Baibars]] but released in  [[1296]] by Sultan [[Lajin]].

==== Asia ====
* King [[Mangrai]] of [[Lan Na]] (modern [[Northern Thailand]]) founds the city of [[Chiang Rai]] as the kingdom's capital.

=== By topic ===

==== Arts and Culture ====
* [[Adam de la Halle]], French [[trouvère]] and musician, writes the first [[operetta]], ''Le Jeu de la Feuillee''.

==== Markets ====
* The [[Republic of Venice|Venice]] Senate starts consolidating all of the Republic's outstanding debt into a single fund, later known as the ''Monte Vecchio''. The holders of the newly created ''prestiti'' are promised a 5% annual coupon. These claims can be sold, and quickly (before [[1320]]) give rise to the first recorded secondary market for financial assets, in [[Middle Ages|Medieval Europe]].<ref>{{cite journal|last=Munro|first=John H.|title=The Medieval Origins of the Financial Revolution|journal=The International History Review|year=2003|volume=15|issue=3|pages=506–562}}</ref>

==== Religion ====
* [[January 25]] &ndash; [[Richard of Chichester]] in England (d. [[1253]]) is [[Canonization|canonized]] as a saint; he is best known for authoring the prayer adapted into the song "[[Day by Day (Godspell song)|Day by Day]]" in the musical ''[[Godspell]]'' (1971).

==== Science and Technology ====
* [[Alfonso X of Castile]] ("the Wise") commissions [[Yehuda ben Moshe]] and [[Isaac ibn Sid]] to compile the [[Alfonsine Tables]], describing the movement of the planets.<ref>Williams, Hywel (2005). ''Cassell's Chronology of World History'', p. 145. {{ISBN|0-304-35730-8}}.</ref></onlyinclude>