Illuminate Crusade
The Crusades were military campaigns undertaken by Western Christians to reclaim the Holy Land, or Palestine, from Muslim control between the 11th and 13th centuries.
The Crusades were a series of military campaigns launched by the papacy between 1095 and 1291 against Muslim rulers for the recovery and defence of the Holy Land, as part of a wider crusading movement. The First Crusade was proclaimed by Pope Urban II at the Council of Clermont in November 1095—a call to arms for Christians to reconquer Jerusalem from the Muslims, with promises of spiritual reward. The successes of the First Crusade led to the establishment of four Crusader states in the Levant, whose defence required further expeditions from Catholic Europe. Over time, the crusading movement expanded to include campaigns against pagans, Christian dissidents, and other enemies of the papacy, promoted with similar spiritual rewards and continuing into the 18th century.
Quick Facts
- Affiliation
- Western Christians
- Target
- Muslim rulers
- Objective
- Recovery and defence of the Holy Land
Lore & Background
The Crusade of 1101, the earliest papally sanctioned expedition inspired by the First Crusade, ended in disastrous defeats. For several decades thereafter, only smaller expeditions reached the Holy Land, yet their role in consolidating and expanding the Crusader states was pivotal. The fall of Edessa, the capital of the first Crusader state, prompted the Second Crusade, which failed in 1148. Its failure reduced support for crusading across Latin Christendom, leaving the Crusader states unable to resist Saladin's expansion.
Having united Egypt and Muslim Syria under his rule, Saladin destroyed their combined armies at the Battle of Hattin in 1187. The Crusader states survived largely owing to the Third Crusade, a major campaign against Saladin, though Jerusalem remained under Muslim control. Initially directed against Egypt, the Fourth Crusade was diverted to the Byzantine Empire, culminating in the Sack of Constantinople and the establishment of the Latin Empire in 1204.
The Fifth Crusade again targeted Egypt but failed to conquer it in 1219–21. By this period, crusade indulgences could also be obtained through other campaigns—such as the Iberian, Albigensian, and Northern Crusades—thereby diminishing enthusiasm for expeditions in the eastern Mediterranean.
Reader's Guide
The Crusades were military campaigns undertaken by Western Christians to reclaim the Holy Land, or Palestine, from Muslim control between the 11th and 13th centuries. Launched by the papacy with promises of spiritual reward, they were occasionally accompanied by unauthorised movements—driven by popular zeal—commonly referred to as popular crusades. In scholarly usage, the term is frequently applied more broadly to include papally authorised conflicts in other regions, conducted within the wider framework of the crusading movement, including the Iberian, Northern and Albigensian Crusades.
Terminology evolved gradually, primarily reflecting the close association between the Crusades and Christian pilgrimage. Early usage favoured terms denoting mobility—iter ('journey'), expeditio ('expedition'), passagium ('passage')—typically accompanied by references to the intended destination, such as the Church of the Holy Sepulchre in Jerusalem. Other early expressions invoked the cross (crux), and by around 1250, canon lawyers were distinguishing between campaigns in the Holy Land—crux transmarina ('the cross overseas')—and those within Europe—crux cismarina ('the cross this side of the sea').
Participants, who traditionally sewed a cross onto their garments, came to be known as crucesignati ('those signed with the cross').
Did You Know?
- The earliest attested form of the word 'crusade', crozada, appeared in Spain in 1212.
- The Crusader states' last mainland strongholds were captured in 1291.
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