Mercurius became Pope John II, making him the first pope to change their name after attaining popehood.
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Mother Teresa and The Pope met in Calcutta, where they both fed the sick.
Pope Benedict XVI's butler, Paolo Gabriele, was convicted and jailed for 18 months for leaking confidential documents.
Over 4 million people pay their last respects to Pope John Paul II.
Mother Teresa was declared a saint by Pope Francis during a ceremony at the Vatican.
Pope Hilarius became the Bishop of Rome.
