The first Mongol invasions of Burma ( present-day Myanmar ) ( ) were a series of military conflicts Hostile_encounter between Kublai Khan 's Yuan dynasty , division of the Mongol Empire , and the Pagan Empire that took place Process_start between 1277 and 1287 .

When King Narathihapate refused Agree_or_refuse_to_act , Emperor Kublai Khan himself sent Sending another mission in 1273 , again demanding Request tribute .

After a brief lull , Kublai Khan in 1281 turned Motion his attention to Southeast Asia , demanding Request tribute from Pagan , the Khmer Empire , Đại Việt and Champa .