Saint Peter’s Basilica

Saint Peter’s Basilica (Basilica Sancti Petri), begun 1506, completed 1626, Vatican City. Architects and designers included: Donato Bramante (whose design won Julius II’s competition); Antonio da Sangallo, a student of Bramante (the Pauline Chapel); Fra Giocondo (strengthening of the foundation); Raphael and Fra Giocondo (whose redesigned building plan was not executed); Michelangelo (design of the dome, crossing, and exterior excluding the nave and facade); Giacomo della Porta (design of the cupola); Carlo Maderno (extension of Michelangelo’s plan, adding a nave and grand facade); Gian Lorenzo Bernini (addition of the piazza, the Cathedra Petri, and the Baldacchino).

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Cite this page as: Dr. Beth Harris and Dr. Steven Zucker, "Saint Peter’s Basilica," in Smarthistory, November 25, 2015, accessed March 20, 2018,