Editing 1283 (section)

==== Asia ====
* [[February 13]]&ndash;[[February 14|14]] &ndash; [[Battle of Thị Nại Bay]]: A Mongol-led [[Yuan dynasty|Yuan]] expeditionary force (some 5,000 men) lands on the beach, near [[Champa]]'s capital [[Vijaya (Champa)|Vijaya]] in [[Vietnam]]. Despite being outnumbered, the Yuan invaders break the Cham defensive line and force King [[Indravarman V]] to retreat to the [[Central Highlands (Vietnam)|Western Highlands]], where he wages a successful guerrilla campaign against the occupying Yuan forces.<ref>Delgado, James P. (2008). ''Khubilai Khan's Lost Fleet: In Search of a Legendary Armada'', p. 158. Douglas & McIntyre. {{ISBN|978-0-520-25976-8}}.</ref>
* [[First Mongol invasion of Burma|Mongol invasion of Burma]]: Mongol forces besiege the fortress at Ngasaunggyan on [[September 23]]. The Burmese garrison withstands the siege for two months, but finally falls to the invaders on [[December 3]]. The defeat breaks the morale of the Burmese defenses. Kaungsin, the next fortress in line, falls just six days later.<ref>Coedès, George (1968). ''The Indianized States of South-East Asia'', pp. 193–194. University of Hawaii Press. {{ISBN|978-0-824-80368-1}}.</ref> 
* Mongol forces invade the [[Khmer Empire]] (modern [[Cambodia]]). King [[Jayavarman VIII]] decides to pay [[tribute]] rather than fight the invasion, buying peace and preserving the empire.<ref>Coedès, George (1968). ''The Indianized States of South-East Asia'', pp. 127–128. University of Hawaii Press. {{ISBN|978-0-824-80368-1}}.</ref>
* [[Ram Khamhaeng]], ruler of the [[Sukhothai Kingdom]], creates the [[Thai script|Thai alphabet]] during his reign (approximate date).