Chao Nanthasen

Chao Nanthasen (died 1795?, Bangkok) was the ruler (1781–95?) of the Lao principality of Vientiane who conquered the rival Lao state of Luang Prabang in 1791. In 1781 the Siamese, who had captured Vientiane in 1778, chose Nanthasen to succeed his father, King Siribunyasan. Like the rulers of Luang Prabang and Champassak, he then reigned as a vassal of the kings of Siam. In 1791 Nanthasen accused Luang Prabang of conspiring with the Burmese against...