White smoke billows from the chimney atop the Sistine Chapel signaling that the College of Cardinals have elected a new pope on Wednesday evening, March 13, 2013 at the Vatican.

 Pope Francis I addresses the crowd at St. Peter's Square after becoming the 266th pontiff in the Catholic church's 2,000 year history.  

 People react after white smoke billows from the chimney atop the Sistine Chapel and its bells ring out across the square, signaling that the College of Cardinals have elected a new pope on Wednesday evening, March 13, 2013 at the Vatican.

People await the new pope.

A woman prays as she awaits Pope Francis I.

 Argentinians wave their country's flag after the archbishop of Buenos Aires, Jorge Mario Bergoglio, was elected as the new spiritual leader of the world's 1.2 billion Catholics on Wednesday, March 13, 2013 at the Vatican.  Bergoglio took the papal name of Francis I and has become the 266 pontiff in the Church's 2,000-year history and the first non-European to be elected for almost 1,300 years.

 A nun stands in St. Peter's Square.

With the College of Cardinals filling the balconies of St. Peter's Basilica, Pope Francis I addresses the crowd at St. Peter's Square after becoming the 266th pontiff in the Catholic church's 2,000 year history.  To read all about this historic night, read Betsy Hiel's reporting in the Pittsburgh Tribune-Review.