Language planning with Spanish colonization. When the Spanish first arrived in Peru, Quechua served as a language of wider communication, a lingua franca, between Spaniards and Peruvian natives. As the years passed, Spaniards asserted the superiority of the Spanish language; as a result, Spanish gained prestige, taking over as a language of wider communication and the dominant language of Peru. In 1975, under the leadership of President Juan Velasco Alvarado, the revolutionary government of Peru declared Quechua an official language of the Peruvian state, "coequal with Spanish." Four years later, the law was reversed. Peru's 1979 constitution declares Spanish the only official
Salomón Lerner Ghitis (UNI) in Lima. Later he attended post-gradual courses at the Monterrey Institute of Technology in Mexico, in 1968, and at the Technion Institute in Haifa, Israel, in 1989. As a student, he joined politics and became the chairman of the students' wing of the social-democratic APRA party. Under the left-wing military administration of Juan Velasco Alvarado (1968–75), he was general manager of the Public Fish-Meal and Oil Marketing Enterprise (EPCHAP). In the government of Velasco's successor, Francisco Morales Bermúdez, Lerner was vice minister of foreign trade. In 1997, he managed CPN Radio channel, and from October 1997 to March 1998,