Pope Benedict XVI isn't the first: All the Popes who have retired – Film Daily
What you don't know about the first Pope | CNN
Pope Francis rescripts history - GulfToday
Who Was the First Pope Not to be a Saint? - The Southern Cross
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First in history' – Pope Francis to meet Russian Patriarch in Cuba | Catholic News Agency
Who was the first pope to be photographed?—Aleteia
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Pope Emeritus Benedict XVI Becomes Oldest Pope In History
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Benedict XVI is first Pope to resign in six centuries - and only the fifth ever to stand down | The Independent | The Independent
Pope - Wikipedia
Francis isn't the first Pope to win TIME's Person of the Year | The Week
Aerial's Torch of Salvation: Was Peter Really was the First Pope of the Catholic Church?
Pope Photos: See Every Papal Trip to the U.S. in History | Time
Pope Francis - Age, Quotes & Facts - Biography
The First and Only Female Pope
The First Pope of the Catholic Church | Who Was the First Pope? - Video & Lesson Transcript | Study.com
Papacy | Definition, History, Popes, & Facts | Britannica
Was Peter Really the First Pope? A Comprehensive Response | The Lonely Pilgrim
Pope Francis as the first Jesuit pope explained - The Washington Post
