Nang Keo Phimpha

Nang Keo Phimpha (1343–1438), an epithet meaning literally "The Cruel", was Queen regnant of Lan Xang in 1438, taking the regnal name Samdach Brhat-Anya Sadu Chao Nying Kaeva Bhima Fa Mahadevi. She is also known by her title Maha Devi, and may have been the only reigning female sovereign of the kingdom of Lan Xang. According to some chronicles, she briefly occupied the throne for a few months, before she was deposed and killed at ninety-five years old. Her brief reign was the culmination of a ten-year period of regicide, which she orchestrated through a series of puppet kings.