Interesting, as they say--an article by Prince Damrong, scholar and administrator and brother of King Chulalongkorn, both were sons of King Mongkut, the modernizing monarch of Siam. This article was written in 1904. The Origins of Ayuthia.
I think Burmese are very insular, and to know they beat the Siamese at one time in history does not mean others do not have rich cultural traditions and a history too.
Read this--
KMKaung
8-2-2016