From resignations to drownings and beheadings, the papacy is full of unusual and surprising moments.
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Gary Hershorn/Reuters
Pope John Paul II (1978-2005) -- As he entered St. Peter's Square to address an audience on May 13, 1981, Pope John Paul II was shot and critically wounded by Mehmet Ali Agca, a member of the militant fascist group Grey Wolves. He survived that and a second assassination attempt in May 1982.