The Oldest Known Writing in Siamese: The Inscription of Phra Ram Khamhæng of Sukhothai

The Oldest Known Writing in Siamese: The Inscription of Phra Ram Khamhæng of Sukhothai is a translation of the Ram Khamhaeng Inscription provided by an American English-language scholar Cornelius Beach Bradley. The original inscription is generally credited to Ram Khamhaeng, the king of the Sukhothai Kingdom. The inscription is dated back to 1292 and deals with the personal history of the king, the praise of his deeds and the reach of his kingdom, and the rules and customs established in Sukhotai.