Who built the first St Peter's basilica?


Who built the first St Peter's basilica? Emperor Constantine I ordered the construction of Old St. Peter's Basilica between the years 326 and 333 to commemorate the martyrdom of Saint Peter. Construction of the structure took about 40 years to complete and finished in 360.


How many years did it take to build the Vatican?

The pope is the bishop of Rome, and his cathedral church is in Rome. Built on the foundation of the first St. Peter's, the new basilica took 120 years to complete. Masonry, sculpture, painting and mosaic work continued for nearly 200 years.


What is the largest church in the world?

St. Peter's Basilica in Vatican City, the largest church in the world.


How many popes are buried in the Vatican?

4. 91 Popes Are Buried Under the Basilica. There are 91 popes buried in St. Peter's Basilica, including the beloved John Paul II who was buried here in 2005.