Phra Bat Somdet Phra Poramintharamaha Prajadhipok Phra Pok Klao Chao Yu Hua or Rama VII (8 November 1893-30 May 1941) was the seventh monarch of Siam under the House of Chakri. He was the last absolute monarch and the first constitutional monarch of the country. His reign was a turbulent time for Siam due to huge political and social changes during the Revolution of 1932. Also he was the only Siamese monarch to abdicate.