The Revolutionary Government of the Republic of Indonesia (Indonesian: Pemerintah Revolusioner Republik Indonesia(PRRI)) was a revolutionary government set up in Sumatra to oppose the central government of Indonesia in 1958. Although frequently referred to as the PRRI/Permesta rebellion, the Permesta rebels were a separate movement in Sulawesi, that had pledged allegiance with the PRRI on 17 February 1958.