It seems like everything we do is controlled by a calendar. Appointments, classes, meetings, and services are all events we ...

Why was this so? Who decreed this ‘loss’? On October 5, 1582, Pope Gregory XIII (1502-85, reigned 1572-85) issued his papal bull Inter gravissimas (In the gravest concern) which modified and ...

The history of Wang Mang, a Han dynasty minister and imperial cousin who later founded his own short-lived dynasty, resonates across time.

In 1582, Pope Gregory XIII used an estimated birth date for Jesus Christ to introduce the Gregorian calendar to replace the Julian version. This corrected the inaccuracies of the Julian calendar ...