st peters basilica By tdunne Jul 25, 1506 pope Julius 2 invented helvetion soldiers May 26, 1527 oath of loyalty to the pope Jul 25, 1547 michelangelo succeeded bramante and designed the imposing dome Jul 25, 1624 michelangelo died Jul 25, 2011 349 AD the church was built the church was built Jul 25, 2011 15th century the basilica was falling in to ruin