At the request of Captain Francisco Arias of Toledo and numerous neighbors, after four decades of constant progress of population, chairman Archbishop Francisco de Cossio and Otero granted the title of city in 1771, which changed the name to "City of Our Lady Cossio Socorro and Otero, whose officials took office on Aug. 15. However, as such grace, not filled the legal requirements, ie they were granted by the King of Spain, Felipe V objected and overruled on December 30, 1712.