Second Vatican Council
The Second Ecumenical Council of the Vatican, commonly known as the or , addressed relations between the Catholic Church and the modern world. The council, through the Holy See, was formally opened under the pontificate of Pope John XXIII on 11 October 1962 and was closed under Pope Paul VI on the Solemnity of the Immaculate Conception on 8 December 1965.
Christian–Jewish reconciliation
The Second Vatican Council, commonly known as "Vatican II", which closed in 1965, was instrumental in producing the document called "Nostra aetate", which read in part: