Photos: Pope Benedict XVI
Pope Benedict, leader of the world's 1.2 billion Catholics, resigned on Feb 28, 2013, becoming the first pontiff since the Middle Ages to take such a step. Benedict, who is 85, was elected to the papacy on April 19, 2005 when he was 78.
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Tears of joy
A nun becomes emotional as Pope Benedict XVI waves to pilgrims for the last time as head of the Catholic Church, from the window of Castel Gandolfo where he will start his retirement in Castel Gandolfo, Italy.