Saint Peter's Basilica Important Dates By lll 64 Saint Peter's Crucifixtion After his Crucifixion, Saint Peters was buried in Caligula's Circus. 313 The Edict of Milan The edict of Milan was an agreement made so that Christians would be treated with respect. 324 Constantine Authorised the Building of the Basilica 329 The Original Saint Peter's Basilica is Blessed 800 Charlemagne was Crowned Emperor of the Holy Roman Empire 1096 First Crusade 1145 Second Crusade 1189 Third Crusade 1202 Fourth Crusade 1212 Children's Crusade 1217 Fifth, Sixth and Seventh Crusade 1396 Last Crusade 1503 Pope Julius II was Elected. 1505 Donato Bramante was Elected to Rebuild the Basilica. 1506 Work on the First Pylon in the Basilica Began 1513 Pope Julius II died 1514 Donato Bramante died 1517 The start of the Reformation 1547 Michelangelo Proposes a new Design for the Saint Peter's Basilica 1563 The Council of Trent Ends 1564 Michelangelo Died 1590 The Dome was Finished 1626 Construction of the Saint Peter's Basilica Finishes