- Basil, Saint, Bishop of Caesarea, approximately 329-3791
- Battle of Pharsalus (Farsala, Greece : 48 B.C.)1
- Benedictines1
- Bernini, Julius Petri Francisci1
- Bible1
- Bible. Kings1
- Bishops--Appointment, call, and election1
- Blessed1
- Blind tooled bindings1
- Books of hours1
- Bēssariōn, Cardinal, 1403-14721
- Camaldolese1
- Canon law1
- Caracciolo, Antonio, 1515?-15701
- Caroline minuscule1
- Catherine, of Alexandria, Saint1
- Catholic Church1
- Charlemagne, Emperor, 742-8141
- Charles V, Holy Roman Emperor, 1500-15581
- Christian women saints1