Editing 1271 (section)

== Events ==
<onlyinclude>
=== By place ===

==== Europe ====
* [[July 2]] &ndash; [[Peace of Pressburg (1271)|Peace of Pressburg]]: Kings [[Ottokar II of Bohemia|Ottokar II]] and [[Stephen V of Hungary|Stephen V]] sign a peace agreement at [[Bratislava|Pressburg]], settling territorial claims, following the failed invasion of [[Kingdom of Hungary (1000–1301)|Hungary]] by Ottokar in April. In the agreement, Stephen promises not to support Ottokar's opponents in [[Duchy of Carinthia|Carinthia]], and Ottokar renounces the castles he and his partisans occupy in Hungary.<ref>Engel, Pál (2001). ''The Realm of St. Stephen: A History of Medieval Hungary, 895–1526'', p. 107. I.B. Tauris Publishers. {{ISBN|1-86064-061-3}}.</ref> 
* [[August 21]] &ndash; The counties of [[County of Poitou|Poitou]] and [[County of Toulouse|Toulouse]] are absorbed into the French domains following the death of [[Alphonse, Count of Poitiers]], son of the late King [[Louis VIII of France]].<ref>Hywel Williams (2005). ''Cassell's Chronology of World History'', p. 146. {{ISBN|0-304-35730-8}}.</ref>
* Construction of the [[Tower of Kamyenyets]] (or the White Tower) in [[Belarus]] begins. Later, it becomes a frontier stronghold on the northern border of [[Principality of Volhynia|Volhynia]].
* The 17-year-old [[Marco Polo]] departs from [[Venice]] with his father and uncle [[Niccolò and Maffeo Polo]], to set off for [[Asia]] to meet the Mongolian emperor [[Kublai Khan]] (the grandson of [[Genghis Khan]]) at his court in [[Beijing]] in [[China]]. They sail across the [[Mediterranean Sea]] and travel overland, crossing [[Armenia]], [[Iran|Persia]] and the [[Pamir Mountains]].<ref>Polo, Marco; Rustichello of Pisa (2004). ''The Travels of Marco Polo – Volume 1'', p. 19. Project Gutenberg. Retrieved April 2, 2011.</ref>

==== Levant ====
* February &ndash; Mamluk forces led by Sultan [[Baibars]] continue their territorial expansion in western [[Syria]] and appear before [[Safita|Safita Castle]] (called the [[Chastel Blanc|White Castle]]) built by the [[Knights Templar]]. After a heroic defense, the small garrison is advised by Grand Master [[Thomas Bérard]] to surrender. The survivors are allowed to withdraw to [[Tartus|Tortosa]].<ref name="auto"/>
* [[April 8]] &ndash; [[Fall of Krak des Chevaliers|Siege of Krak des Chevaliers]]: Mamluk forces under Baibars capture the strategically important castle [[Krak des Chevaliers]] from the [[Knights Hospitaller]]. During the siege the defenders receive a letter, supposedly from Grand Master [[Hugues de Revel]], to surrender the castle. Under safe-conduct the Hospitallers retreat to [[Tripoli, Lebanon|Tripoli]].<ref>Kennedy, Hugh (1994). ''Crusader Castles'', pp. 148–150. Cambridge: Cambridge University Press. {{ISBN|0-521-42068-7}}.</ref>
* May&ndash;June &ndash; Baibars conducts an unsuccessful [[Siege of Tripoli (1271)|siege of Tripoli]], and also fails in an attempted naval invasion of [[Kingdom of Cyprus|Cyprus]]. He sends an Egyptian fleet (some 20 ships) to [[Limassol]], while King [[Hugh III of Cyprus]] ("the Great") has left for [[Acre, Israel|Acre]]. Due to bad weather and seamanship, 11 ships run aground and the crews fall into the hands of the Cypriots.<ref name="auto">[[Steven Runciman]] (1952). ''A History of The Crusades. Vol III: The Kingdom of Acre'', pp. 278-80. {{ISBN|978-0-241-29877-0}}.</ref>
* [[May 9]] &ndash; English prince [[Edward I of England|the Lord Edward]] and King [[Charles I of Anjou]] arrive in Acre, with a fleet of 30 galleys, starting [[Lord Edward's crusade]] (the Ninth) against Baibars. During this crusade they are unable to capture any territory and peace is quickly negotiated with the [[Mamluk Sultanate]]. Baibars consolidates his occupation in Syria.<ref name="auto"/>
* October &ndash; [[Abaqa Khan]], Mongol ruler of the [[Ilkhanate]], detaches some 10,000 horsemen from [[Anatolia]] to support the Lord Edward in his war against Baibars. They invade Syria and defeat Mamluk forces who protect the region around [[Aleppo]]. The Mongols plunder the cities of [[Maarat al-Numan]] and [[Apamea, Syria|Apamea]].<ref name="auto"/>

==== Asia ====
* [[September 12]] &ndash; [[Nichiren]], Japanese [[Buddhism in Japan|Buddhist]] priest, is arrested by a band of soldiers and nearly beheaded. This incident, known as ''Hosshaku Kenpon'' or "casting off the transient and revealing the true," is regarded as a turning point of Nichiren's teachings within the various schools, known as [[Nichiren Buddhism]].<ref>''Dictionary of Buddhism'', http://www.nichirenlibrary.org Accessed 2015-03-26.  [https://web.archive.org/web/20150222074700/http://www.nichirenlibrary.org/ Archived] 2015-03-30.</ref>
* [[December 18]] &ndash; Kublai Khan renames his empire "Great Yuan" (大元; dà yuán), officially marking the start of the [[Yuan dynasty]] in China.
* The [[Nakhi people|Nakhi]] Kingdom, of the northern [[Himalayas|Himalayan]] foothills, is annexed by the Yuan dynasty (approximate date).

=== By topic ===

==== Religion ====
* [[September 1]] &ndash; [[Pope Gregory X]] succeeds the late [[Pope Clement IV|Clement IV]] as the 184th pope of the [[Catholic Church]], as the compromise candidate between French and Italian cardinals, ending a [[1268–1271 papal election|three-year conclave]], the longest ever.</onlyinclude>