Pope Benedict XVI is greeted by King Juan Carlos, center, and Queen Sofia of Spain, in St. Peter's Basilica at the Vatican, after his installment mass in St. Peter's Square, Sunday, April 24, 2005.
Queen Sofia and King Juan Carlos of Spain attend the installment Mass of Pope Benedict XVI in St. Peter's Square at the Vatican, Sunday, April 24, 2005. Dignitaries and an estimated 500,000 pilgrims, many of them from the pontiff's native Germany, arrived in Rome for the ceremony to formally install Pope Benedict XVI and offer the pontiff a major chance to set the tone for his papacy.
Pope Benedict XVI is greeted by Florida Gov. Jeb Bush in St. Peter's Basilica at the Vatican, after his installment mass in St. Peter's Square, Sunday, April 24, 2005.
Pope Benedict XVI is greeted by King Carl XVI Gustaf of Sweden in St. Peter's Basilica at the Vatican, after his installment mass in St. Peter's Square, Sunday, April 24, 2005.
Pope Benedict XVI is greeted by Italian President Carlo Azeglio Ciampi, center, and his wife Franca Pilla in St. Peter's Basilica at the Vatican, after his installment mass in St. Peter's Square, Sunday, April 24, 2005.
Pope Benedict XVI waves from his car as he drives past dignitaries, including French Premier Jean-Pierre Raffarin and his wife Anne-Marie, right in second row from bottom, Italian Premier Silvio Berlusconi with his wife Veronica, center in second row from bottom, and European Commission President Jose Manuel Barroso, above pope's miter at left, during his installment Mass in St. Peter's Square at the Vatican, Sunday, April 24, 2005.
Pope Benedict XVI is greeted by German Chancellor Gerhard Schroeder, center, and his wife Doris Schroeder-Koepf in St. Peter's Basilica at the Vatican, after his installment mass in St. Peter's Square, Sunday, April 24, 2005.
Pope Benedict XVI is greeted by Prince Albert II of Monaco in St. Peter's Basilica at the Vatican, after his installment mass in St. Peter's Square, Sunday, April 24, 2005.
Britain's Prince Philip, left, and Dutch Crown Prince Willem Alexander look up as they attend the installment Mass of Pope Benedict XVI in St. Peter's Square at the Vatican, Sunday, April 24, 2005.
Britain's Prince Philip, left second row, Dutch Crown Prince Willem Alexander, second left, Dutch Prime Minister Jan Peter Balkenende, second right, and Swedish King Karl XVI Gustaf, front right, attend the installment Mass of Pope Benedict XVI in St. Peter's Square at the Vatican, Sunday, April 24, 2005.