Mother Teresa was declared a saint by Pope Francis during a ceremony at the Vatican.
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Pope John Paul II became the first pope to visit the White House in Washington, D.C.
Henry VIII declared his marriage to Catherine of Aragon officially null and void, despite Pope Clement VII's refusal to allow it.
Over 4 million people pay their last respects to Pope John Paul II.
Pope Benedict XVI's butler, Paolo Gabriele, was convicted and jailed for 18 months for leaking confidential documents.
Pope Alexander VI, born Rodrigo de Borja became Pope.
