Catholic Tech

Gregory and His Calendar

Mar 3, 2025
News

An article by CatholicTech Intern Dominic Andres This week we commemorate the Papal Bull Inter Gravissimas, which, in 1582, established the Gregorian Calendar, named after Pope Gregory XIII, who issued the bull. The history of this calendar begins more than three thousand years ago, in ancient Egypt. The greatness of the Egyptian Empire came from its location on the […]