 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.Perhaps the origin of "Very Noble and Loyal Villa", to which King III of Spain with this honorable designation lifted on 25 October 1771, granting further coat of arms on 25 April 1773, which is Marine exaltation.