Juan de Velasco Juan de Velasco Juan de Velasco y Pérez Petroche (1727–1792) was an 18th-century Jesuit priest, historian, and professor of philosophy and theology from the Royal Audience of Quito. He was born in Riobamba to Juan de Velasco y López de Moncayo and to María Pérez Petroche. Among the universities where he taught was the Universidad de San Marcos in Lima in the Viceroyalty of Peru. He is best known for his history book "Historia del Reino de Quito", although he also wrote books in fields other than history, such as physics textbooks and poetry anthologies. The book "Historia del Reino
Provisional Revolutionary Government of the Republic of South Vietnam intelligence operatives arrested an influential anti-government organizer, Ba Tra. Ba Tra gave the South Vietnamese government extensive information on anti-government forces working in the city. This setback was compounded by his identification of one of the key cadre in the financial division. Under torture, Ba Tra identified more figures in the underground, who were then arrested. By 1967, the entire Saigon organization had been sent further underground. The Tet Offensive during 1968 triggered a wave of oppression, forcing many people into the jungle. These peoplebusinessmen, middle class, doctors and other professionals started The Alliance. The then-new American president, Richard Nixon,