Provisional Revolutionary Government of the Republic of South Vietnam
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The Provisional Revolutionary Government of the Republic of South Vietnam (Vietnamese: Chính phủ Cách mạng lâm thời Cộng hoà miền Nam Việt Nam), or PRG, was formed on June 8, 1969, as an underground government opposed to the South Vietnamese government of President Nguyễn Văn Thiệu. Delegates of the National Liberation Front (the Viet Cong), as well as several smaller groups, participated in its creation.