The Sukhothai kingdom was prosperous until the mid-14th century that its power was overshadowed by the new kingdom called as Ayutthaya, which was located in the lower Chao Phraya River.
The Sukhothai kingdom was prosperous until the mid-14th century that its power was overshadowed by the new kingdom called as Ayutthaya, which was located in the lower Chao Phraya River.