King Ramkhamhaeng was a significant ruler of the Sukhothai Kingdom in Thailand during the 13th century. He is best known for his contributions to the development of the Thai script and for promoting Buddhism as a central part of Thai culture. His reign is often seen as a golden age for the kingdom, marked by advancements in art, architecture, and governance. Under King Ramkhamhaeng's leadership, the Sukhothai Kingdom expanded its territory and influence. He is also credited with establishing a legal code that emphasized justice and fairness. His legacy continues to be celebrated in Thailand, where he is regarded as a national hero.