Pol Pot, born Saloth Sâr, was a Cambodian revolutionary and politician who governed Cambodia as the Prime Minister of Democratic Kampuchea between 1975 and 1979. During his reign, his administration oversaw mass atrocities; in the Killing Fields, more than 1.3 million people were executed and buried in mass graves. Regarded as a totalitarian dictator guilty of crimes against humanity, he has been widely denounced internationally for his role in the Cambodian genocide.