Founded during the reign of King Pontarika, per Charles James Forbes Smith-Forbes. Legendary History of Burma and Arakan. The Government Press, 1882. с. 20.; the king's reign was 1028 to 1043 per Harvey, G. E. History of Burma: From the Earliest Times to 10 March 1824. London, Frank Cass & Co. Ltd, 1925. с. 368.