Military and Argentine politician born in 1787 in Arequipa (Peru) and died in Buenos Aires in 1857. Son of the Spanish Governor in Lima, joined the army at the age of twelve years. He/She fought in the battle of Montevideo, where lieutenant general John Whitelocke headed more than fourteen thousand Englishmen, was wounded and was taken prisoner. He/She returned to Buenos Aires and joined the may revolution.
He was appointed acting Supreme director of the United Provinces of the Rio de la Plata and convened the Congress of Tucumán in 1816. That same year he/she was forced to resign. Then he/she acted as Minister Plenipotentiary to Peru and Chile until 1927, year in which he/she returned to Buenos Aires.
In the last years of his life he/she devoted himself to travel and published a book that recounted his memoirs.