- Battle of Lepanto (Greece : 1571)1
- Bayezid II, Sultan of the Turks, 1447 or 1448-15121
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, -1286? Lubb al-albāb1
- Bazzār, Khalaf ibn Hishām, 767 or 768-8441
- Baʻal ha-Maʼor (Gerondi, Zerahiah ben Isaac, ha-Levi)1
- Baḥraq, Muḥammad ibn ʻUmar, 1465-1524. ʻUrwah al-wathīqah1
- Beards1
- Beards--Religious aspects--Islam1
- Bedreddin, Şeyh, 1358?-1420. Varidat1
- Begging--Religious aspects--Islam1
- Beghards1
- Beguines1
- Belarus--Brest1
- Belarus--Vaŭkavysk1
- Belgium--Andenne1
- Belgium--Mons1
- Belgium--Tournai1
- Benedict, Saint, Abbot of Monte Cassino1
- Benedictine monasteries1
- Benedictus Dominus Deus Israel (Music)1