Calendar Boy: Pope Gregory's Greatest Achievement

Today, we take the calendar for granted. Yet this important piece of timekeeping plays a critical role in our everyday lives, whether it's scheduling an appointment, planning a business trip, or simply meeting up with friends. But where does this most imperative of tools come from? Who were the people responsible for its creation? And how does it compare to earlier forms of timekeeping? Tune in to the final episode of 2021 to find out!