Pope Francis revealed in an interview that shortly after being elected pope in 2013,

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he wrote a resignation letter in case of medical problems.

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The letter was given to Cardinal Tarcisio Bertone, who was the Vatican secretary of state at the time,

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and is currently believed to be in the possession of Cardinal Pietro Parolin.

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Pope Francis has had surgery and has been dealing with knee pain,

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which has caused him to use a wheelchair and cane in public.

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Pope Benedict XVI, Francis' predecessor, was the first pope to resign in 600 years,

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and his decision paved the way for Francis' election as the first pope of South America.

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He Said "If I should become impaired for medical reasons or whatever, here is my resignation.”

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11 Amazing Facts About Tom Cruise

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