Pope Pius XI declared Our Lady of Guadalupe "Heavenly Patroness of the Philippines" on 16 July 1935 and the relative Apostolic Letter was signed by Vatican Secretary of State, Cardinal Eugenio Pacelli (later Pope Pius XII) [REF].
Pope John XXIII invoked her as "Mother of the Americas" in 1961, referring to her as Mother and Teacher of the Faith of All American populations.