Pope Benedict XVI's visit to the United States took place from April 15, 2008 to April 20, 2008 and was his first visit to the United States. It was officially titled the "Apostolic Visit to the United States of America and to the Seat of the United Nations". It was the sixth official papal visit to the United States since the U.S. established full diplomatic relations with the Holy See in 1984. In addition to his 1979 visit, Pope John Paul II visited the United States in 1987, 1993, 1995, and 1999. Pope Francis visited the United States in 2015.