Home to the Ayutthaya kingdom and the current Chakri dynasty, for 10 points, name this country most famously ruled by the sexually hyperactive Mongkut, depicted in The King and I.Â  
The Greek Constantine Phaulkon served as chief advisor to Narai, one ruler of a state in this country. The Russian ship Aurora was present in 1912 for a coronation during the rule of this country's sixth member of a still reigning dynasty. In 1913 one ruler of this country passed a law banning the chewing of betel, and the Phibun dictatorship drew upon the concept of wiratham to expand its territory in the twentieth century. In 1569, the Taungu wrought havoc upon a kingdom in this country, and in 1431 that kingdom sacked the Khmer capital of Angkor. Home to the Ayutthaya kingdom and the current Chakri dynasty, for 10 points, name this country most famously ruled by the sexually hyperactive Mongkut, depicted in The King and I.Â  
The Greek Constantine Phaulkon served as chief advisor to Narai, one ruler of a state in this country.
Thailand or Siam 