The diplomatic service of the Holy See can be traced back to the First Council of Nicaea when Pope Sylvester I sent legates to represent him during the discussions of the council.
Pope John Paul II | Pope Benedict XVI | Pope | Pope Paul VI | Sylvester Stallone | Alexander Pope | Pope Pius IX | Pope Pius XII | Pope Francis | Pope Leo XIII | Pope Pius XI | Pope John XXIII | Sylvester | Pope Innocent IV | Pope Pius VII | Pope Pius X | Pope John Paul I | Pope Alexander III | Pope Clement VII | Pope Urban VIII | Pope Clement V | Sylvester (Looney Tunes) | Pope Pius VI | Pope Julius II | Pope Gregory VII | Pope Clement VIII | pope | Pope Sixtus V | Pope Alexander VI | Pope Benedict XIV |