Pope-elect Celestine II
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Antipope Gregory VIII
List of popes (graphical)
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Pope Gregory
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List of people excommunicated by the Catholic Church
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Irnerius
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Braga
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Investiture Controversy
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List of popes
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Pope Gelasius II
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1118
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1121
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Pope Callixtus II
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Pope Honorius II
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First Council of the Lateran
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Concordat of Worms
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Antipope
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