The Constituent Assembly was the tenth Constituent Assembly of Peru, convened by the government of General Francisco Morales Bermudez to facilitate the return of democracy following a decade of the self-styled Revolutionary Government of the Armed Forces. It was settled on 28 July 1978 and was led by Víctor Raúl Haya de la Torre, historical leader of the American Popular Revolutionary Alliance. Its main mission was to develop a new constitution replacing the old 1933 Constitution. This new Constitution was enacted and promulgated on 12 July 1979, and entered into force on 28 July 1980, on the opening of the constitutional government of the architect Fernando Belaúnde Terry. It was replaced 14 years later by the 1993 Constitution.