Pope John Paul II
He is the first pope to have visited the White House, and a mosque. He traveled more than any other pope before him, visiting many of the countries of the world. He is also famous for starting the annual World Youth Day. His last youth day was Cologne, Germany in 2005. After he was beatified, his title was changed to Blessed John Paul II. John Paul II was canonized by Pope Francis on 27 April 2014 which means that the Polish Pope is now known as Saint John Paul II.