The construction of this church began in the early seventeenth century, in Vienna, Austria, but was interrupted by the Thirty Years' War. It was completed in 1632. The church is famous for the tombs directly below it, here you will find the tombs of many of the Habsburg dynasty. This historic church is important to religious locals as it has survived over the centuries with minimal damage from wars and other political events. The church is used daily by St. Peter's Priestly Church to celebrate the exceptional Roman form of 1962.