Pope Pius IX who reigned from June 16, 1846, until February 7, 1878.
The pope is the ruler of Vatican City (which is a country).
The Pope lives in the Vatican in Vatican City.
The Pope lives in the Vatican. In 2014 that would be Pope Francis.
Pope John XXIII called for Vatican 2.
There is only one pope in the Vatican and that would be Pope Francis as of 2014. Pope Emeritus Benedict XVI also resides in the Vatican but has no role in governing the Church.
Vatican
Pope Paul VI closed Vatican II.
Popes John XXIII and Paul VI were popes during Vatican II.
There is no elected president in the Vatican. There is a pope who is elected in a secret conclave by the cardinals. The Pope is the head of state of the Vatican.
Pope Saint Telesphorus was the 8th pope.
The Pope lives in the "State of the Vatican City" or "Vatican City". This is a country located within the city of Rome, but is completely independent from Italy. The Vatican is its own Country!
The Vatican.