ROME – Pope Gregory XIII, the 16th century pontiff responsible for what is today known as the Gregorian calendar, now has another, celestial claim to fame. A working group of the International ...
The Gregorian calendar, followed across most of the parts of world today, was introduced more than 400 years ago by Pope ...
ROME (AP) — Pope Gregory XIII, the 16th century pontiff responsible for the Gregorian calendar, now has another celestial claim to fame. ROME (AP) — Pope Gregory XIII, the 16th century pontiff ...