18th April 1506: Construction begins on St Peter's Basilica
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St. Peter's Basilica | Vatican City
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360 Video: Inside the Tomb of St. Peter at the Vatican
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Holy Door in St. Peter's Basilica unveiled
The Papal Basilica of St. Peter in the Vatican, or simply St. Peter's Basilica, is an Italian Renaissance church in Vatican City, the papal enclave within the city of Rome.