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.
Pope John Paul II
In December 1989, John Paul II met with the Soviet leader Mikhail Gorbachev at the Vatican and each expressed his respect and admiration for the other. Gorbachev once said "The collapse of the Iron Curtain would have been impossible without John Paul II." On John Paul II's death, Mikhail Gorbachev said: "Pope John Paul II's devotion to his followers is a remarkable example to all of us."