Britannica
Sources used in this answer
When was the foundation stone laid for the new St. Peter’s Basilica?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Julius II
Julius II, contemporary medallion; in the coin collection of the Vatican Library.
The foundation stone for the new St. Peter’s Basilica was laid on April 18, 1506, by Pope Julius II.12