Orders, decorations, and medals of the Holy See of the Catholic Church by his authority as head of the Holy See and sovereign of the Vatican City State. Historically, membership in these orders was either conferred by Papal bulls not signed by the Pope or by apostolic letters signed by the Pope himself. Since the reforms of these orders in the beginning of the 20th century, the diplomas have been signed by the Cardinal Secretary of State. In general, "Papal orders of knighthood" refers to the five equestrian orders of the Holy See awarded directly by the Supreme Pontiff as head of the Catholic Church, Holy See and
Foreign relations of the Holy See is sovereign, the two entities are separate and distinct. The State of the Vatican City was created by the Lateran Treaty in 1929 to "ensure the absolute and visible independence of the Holy See" and "to guarantee to it an indisputable sovereignty in international affairs" (quotations from the treaty). Archbishop Jean-Louis Tauran, the Holy See's former Secretary for Relations with States, said that the Vatican City is a "minuscule support-state that guarantees the spiritual freedom of the Pope with the minimum territory." The Holy See, not Vatican City, maintains diplomatic relations with states, and foreign embassies are accredited to the