When Pope Francis visits Washington, New York, and Philadelphia this September, he will become the fourth pope to visit the United States. His will be the 10th time a pontiff has made the apostolic trip, according to the United States Conference of Catholic Bishops. Francis is the fourth pope to address the United Nations and the third to meet with a U.S. president during a U.S. visit. Take a look at past papal visits with archival video that spans the historic trips.
