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In this photo provided by the Vatican newspaper Osservatore Romano, Pope Benedict XVI, center, leaves a train as he arrives for a peace meeting in Assisi, central Italy, Thursday, Oct. 27, 2011. Buddhist monks, Muslim imams, Orthodox patriarchs and Yoruba leaders have flocked with Pope Benedict XVI to the Umbrian hilltown of Assisi to make an interfaith call for peace and insist that religion must never be used as a pretext for war. (AP Photo/Osservatore Romano) EDITORIAL USE ONLY

Pope Benedict XVI bids farewell

The Catholic Church awoke March 1 with no leader following the resignation of Benedict XVI, who pledged obedience to his successor and described himself as "simply a pilgrim" starting the final journey of his life.