During the later Middle Ages (twelfth to fifteenth centuries), the study of chronology, astronomy, and scriptural exegesis among Christian scholars gave rise to

The study of time, astronomy, and calendars, has been closely intertwined in the history of Western culture and, more particularly, Jewish tradition. Jewish int

The Gregorian calendar reform of 1582, which provided the basis for the civil and Western ecclesiastical calendars still in use today, has often been seen as a

Calendars in the Making investigates the Roman and medieval origins of several calendars we are most familiar with today, including the Christian liturgical cal

Critical edition of previously unpublished works by a key philosopher of the fifteenth-century Low Countries Peter de Rivo (c.1420–1499), a renowned philosoph