- Papal States
- Petrine Doctrine
- excommunication / papal interdict
- Council of Nicaea, 325 / The Credo
- benefice
- Benedictines
- Franciscans
- Dominicans
- Thomism – Scholasticism
- Babylonian Captivity of the Church (1305-77)
- Avignon
- The Great Schism (1378-1417)
- Charlemagne
- Donation of Pepin
- Feudalism
- chivalry
- knight
- mysticism
- Plague/Pestis/Black Death
- flagellants
- Guilds
- Jacquerie
- Ciompi Uprising of 1378
- English Peasant Revolt of 1381
- John Wycliffe
- Feudalism and Chivalry
- Teutonic Knights
- The Holy Roman Empire
- Electors: Mainz, Trier, Cologne, Saxony, Brandenburg, Bohemia, the Palatinate
- Hundred Years’ War
- Battle of Crecy (1346)
- Battle of Agincourt (1415)
- Edward III
- Black Prince of Wales
- Richard II (r.1377-99)
- Order of the Garter
- Henry V
- Duchy of Burgundy
- Charles VI
- Charles VII – the Dauphine (r.1422-61)
- Treaty of Troyes (1420)
- Jeanne d’Arc
- Bastard Feudalism