Very little is known about the origins of Thai pillowry. In fact, the historical record of Thai pillowry is shrouded in mystery and legend. The most reliable historical records are painted murals in the old wats scattered about Northern Thailand. Some of these old wats contain murals from the 19th Century (1850-1875) which clearly depict the use of Thai pillows. Popular belief (what Thai folk say) is that Thai pillow making started in Northern Thailand in a region called the Lanna Kingdom. The old mural paintings of Northern Thailand validate this belief.