Newly elected Pope Francis I waves from the window of St Peter's Basilica's balcony after becoming the 266th pope of the Roman Catholic Church on March 13, 2013. AFP Photo / Vincenzo Pinto
A Catholic nun sings as people gather outside the Metropolitan Cathedral in Buenos Aires, Argentina, as Latin Americans reacted with joy on Wednesday at news that the Argentine Cardinal Jorge Mario Bergoglio was elected pope. AP Photo / Ivan Fernandez
White smoke rises from the chimney on the roof of the Sistine Chapel, an indication that the cardinals elected a new pope on the second day of their secret conclave on March 13, 2013 at the Vatican. AFP Photo / Vincenzo Pinto
Visitors cover St. Peter's Square with their umbrellas as they wait for the election of a new pope by the cardinals in conclave in the Sistine Chapel at the Vatican on Wednesday, March 13, 2013. AP Photo / Andrew Medichini
Catholic Archbishop of Melbourne Denis Hart (background) leads celebrations at St Paul's Cathedral in Melbourne, after the overnight announcement from the Vatican that Argentina's Cardinal Bergoglio is becoming Pope Francis (foreground). EPA / Joe Castro
Pope Francis, the former Cardinal Jorge Bergoglio, in an undated handout photo. Reuters / Courtesy of Clarin.
Newly elected Pope Francis I appears on the central balcony of St Peter's Basilica on March 13, 2013 in Vatican City, Vatican. Argentinian Cardinal Jorge Mario Bergoglio was elected as the 266th Pontiff and will lead the world's 1.2 billion Catholics. Getty Images / L'Osservatore Romano
Thousands gather to receive Argentina's cardinal Jorge Bergoglio, elected Pope Francis I, as he appears on the balcony of St Peter's Basilica's after being elected the 266th pope of the Roman Catholic Church on March 13, 2013 at the Vatican. AFP Photo /Johannes Eisele
A newspaper vendor in Colombia sells the extra edition of a journal announcing the election of Argentina's former Cardinal Jorge Mario Bergoglio as new Pope Francis. EPA / Mauricio Duenas
Argentina's Jorge Mario Bergoglio was elected Pope Francis I on 14 March 2013, becoming the church's first Latin American pontiff after a conclave to elect a leader for the world's 1.2 billion Catholics.