 It was notably invoked in 1644 by both Spain and France.Spain used it to exclude the election of Giulio Cesare Sacchetti, whereas France failed to veto the election of Giovanni Battista Pamphili (who became Pope Innocent X).At the 1846 Papal conclave, Austrian Chancellor Klemens von Metternich confided Austria's veto of Cardinal Giovanni Maria Mastai-Ferretti to Cardinal Carlo Gaetano Gaisruck, Archbishop of Milan, who arrived too late.