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Pope Benedict XVI to resigns: Popes throughout history (photos)
Pope Benedict XVI says he lacks the strength to fulfill his duties and on Feb. 28 will become the first pontiff in 600 years to resign. Here's a look back at some of the other popes from the last 150 years.
June 1963 - August 1978, 15 years
(Photo: Wikimedia Commons/WJLA) fullscreen mode