18 April 1506 April 17, 2015 Author: Staff The cornerstone of the current Saint Peter’s Basilica is laid. Famous Words of Inspiration..."The greatest mistake you can make in life is to continually be afraid you will make one." Elbert Hubbard — Click here for more from Elbert Hubbard Related posts: 21 April 1506 18 November 326 18 April 1983 18 April 1983 18 April 1983 Categories: History Tags: 1506, 18 April