| August, 1866 | Pear Orchard Purchased |
| 1868 | Ground-breaking |
| July 4, 1869 | First Mass In Finished Basement |
| 1874 | Superstructure Completed |
| July 16, 1876 | Solemnly Dedicated |
| 1889 | Tower Completed |
| January 14, 1950 | "...Raised To The Dignity Of A Cathedral Church..." |