History of Peru warfare. The Revolutionary Left Movement (Peru), or MIR, launched an insurrection that had been crushed by 1965, but Peru's internal strife would only accelerate until its climax in the 1990s. The military has been prominent in Peruvian history. Coups have repeatedly interrupted civilian constitutional government. The most recent period of military rule (1968–1980) began when General Juan Velasco Alvarado overthrew elected President Fernando Belaúnde Terry of the Popular Action Party (AP). As part of what has been called the "first phase" of the military government's nationalist program, Velasco undertook an extensive agrarian reform program and nationalized the fish meal industry,
Juan Bautista Alvarado a new flag—a single red star on a white background, but neither were used after Alvarado made peace with Mexico. Alvarado, at age 27, was then appointed governor, but the city council of Los Angeles protested. Alvarado, Castro, and Graham went south and negotiated a compromise after three months, avoiding a civil war. However, the city council of San Diego then voiced its disagreement with Alvarado's revolt. This time, the Mexican government was involved and there were rumors that the Mexican Army was ready to step in. Alvarado was able to negotiate another compromise to keep the peace. Mexico reneged