Pope John XXIII called for the council and Pope Paul VI continued it after he was elected pope in 1963.
Pope Paul VI closed Vatican II.
Popes John XXIII and Paul VI were popes during Vatican II.
Vatican Council II
As of 30 May 2014 there have been two named saints from the Second Vatican Council. Pope St. John XXIII was the pope that called the Council, and Pope St. John Paul II was a participant in the Council.
Pope John XXXIII initiated the Second Vatican Council also known as "Vatican II"
Pope John XXIII called the council.
The First Vatican Council was convoked by Pope Pius IX on 29 June 1868 and was formally closed in 1960 prior to Vatican II
Pope John XXIII called the Vatican II Council.
October 11, 1962.
Vatican II
First of all, it was Pope Pius IX, not Pius II who convened and then presided over Vatican I or the First Vatican Council. Pius IX, called it for the review of the topics that was being dealt in the Church which was: rationalism, liberalism, materialism, inspiration of Scripture, and papal infallibility.
Pope John XXIII called the Council that Popes Pius XI and Pius XII could not, Vatican Council II.