The migration of Tai groups into Southeast Asia
Whilst Tai groups had probably been gradually infiltrating southwards into what is now northern Vietnam, Laos and Thailand for several centuries from their homeland in Southern China the migration of Tai groups into Southeast Asia was hastened during the late 12th- and 13th-centuries as the Mongol armies under Genghis Khan and Kublai Khan extended their empire southwards. Ethnic Tai clans…