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
Juan Ramírez de Velasco Tucumán by Philip II of Spain to replace Hernando de Lerma. Ramírez served in the government of Tucuman between 1586-1593. In 1588 being the governor of Tucumán Juan Ramirez de Velasco made expeditions against the Indians in calchaquí valley and won the allegiance of a son of Juan Calchaquí. Shortly after he founded the city of Todos los Santos de la Nueva Rioja. In 1592 he founded the city of Madrid de las Juntas in the present department Metán. In 1594 Juan Ramírez Velasco was appointed commander of the Governorate of the Rio de la Plata a position he held