Editing 1287 (section)

==== Asia ====
* [[January 30]] &ndash; [[Wareru]] creates the [[Hanthawaddy Kingdom]] (modern [[Myanmar]]) following the collapse of the [[Pagan Kingdom]]. He is crowned king on [[April 5]] and declares himself independent of Pagan.
* [[May 14]] &ndash; [[Nayan (Mongol prince)|Nayan]], Mongol prince of the [[Borjigin]] clan, revolts against the rule of [[Kublai Khan]]. Kublai leads a punitive expedition against Nayan in [[Manchuria]] and defeats his forces on [[July 16]].
* December &ndash; [[Battle of Pagan]]: Mongol-led Yuan forces (some 7,000 cavalry) led by [[Temür Khan]] defeat King [[Thihathu]] of the Pagan Kingdom. The kingdom disintegrates and anarchy ensues.
* Kings [[Mangrai]] of the [[Lan Na|Lanna Kingdom]] (modern [[Thailand]]) and [[Ram Khamhaeng]] of the [[Sukhothai Kingdom]] agree to a peace treaty. They establish a "strong pact of friendship".<ref>Coedès, George (1968). Walter F. Vella (ed.). ''The Indianized States of Southeast Asia'', p. 195. Translation: Susan Brown Cowing. University of Hawaii Press. {{ISBN|978-0-8248-0368-1}}.</ref>