The Sukhothai Kingdom is a Kingdom of the ancient community since the iron age until the end of the 18th century establish as State of lavo. Afterward, around the year 1800 PHO Khun PHA mueang and Khun bangklang for joint action to seize from the Khmer, which make the whole thicket lonlam sabat is successful and has established independence, Sukhothai as a free State, and the prosperity and adding to the limit in the reign of King Ramkhamhaeng. Before gradually downhill and experiencing problems from both internal and external problems until later, was included as part of the Kingdom of Ayutthaya.