Crusading warfare
| Crusading movement |
|---|
| Origins |
| Just war theory • Penance • Christian pilgrimage • Gregorian Reform |
| Varieties |
| Crusades • Popular Crusades • Iberian Crusades • Northern Crusades• Crusades against Christians |
| Theory and Practice |
| Indulgence • Crusade bull • Preaching • Vow • Warfare • Military orders • Finance • Criticism |
| States |
| Crusader states • Cyprus • Frankish Greece • State of the Teutonic Order • Rhodes • Malta |
| Enemies and Contacts |
| Byzantines • Armenians • Jacobites • Jews |
Crusading warfare, characterised by distinctive systems of recruitment, logistics, and strategy, formed a central element of the crusading movement from its origins in the late 11th century.