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
Holy See–Israel relations Basic Agreement between the Holy See and the PLO from 15 February 2000. Since its establishment, Israel has exerted its sovereignty over all holy sites within Israel, a new situation that Catholicism has had to contend with since 1948. For decades, the Vatican resented Israel's claims to effective authority by denying it diplomatic relations. Even following the formalization of diplomatic relations in 1994, the Vatican continued to contest Israel's sovereignty over Jerusalem. The Holy See traditionally seeks to safeguard also the Catholic presence in Jerusalem. During the war in 1948, not only Muslims but also Christians were among the population