OCR Specification focus:
‘The situation in Western Europe, Byzantium and the Islamic Near East on the eve of the First Crusade; the idea of Holy War; the Appeal of Alexius 1095.’
Introduction
The First Crusade emerged from a complex background: fragmented Western Europe, a weakened Byzantium under pressure, and divided Islamic states, all shaped by evolving concepts of Holy War.
The Situation in Western Europe
Political Landscape
Western Europe in the late 11th century was characterised by fragmented political authority.
The Holy Roman Empire was under Emperor Henry IV, but embroiled in the Investiture Controversy, which weakened imperial authority.
France consisted of a patchwork of feudal principalities, with the Capetian monarchy holding limited centralised power.
England, under William II, had a stronger monarchy, though its influence was primarily confined to its own territories.
Feudal rivalries meant Europe lacked unity, but these tensions also produced a warrior aristocracy accustomed to violence, which the papacy sought to redirect toward religious purposes.
Religious Climate
The Catholic Church was undergoing the Gregorian Reform Movement, which stressed papal authority, clerical celibacy, and moral renewal. This reform agenda increased papal prestige and laid the foundation for the papacy to mobilise military efforts for spiritual purposes.
Gregorian Reform: A series of 11th-century reforms led by the papacy to increase Church authority, eliminate corruption, and strengthen spiritual purity.
The religious atmosphere emphasised the remission of sins, which would become central to the idea of taking the cross.
Byzantium on the Eve of the First Crusade
The Byzantine Empire
Byzantium, ruled by Emperor Alexius I Comnenus, faced significant challenges:
Loss of territory in Asia Minor after the Battle of Manzikert (1071) against the Seljuk Turks.
Pressure from Pechenegs and Normans along its frontiers.
Internal instability following a period of political and military decline before Alexius’ reign.
Alexius sought to stabilise the empire by reforming its administration and military, but he remained under severe pressure from Turkish advances into Anatolia, threatening Constantinople itself.
Appeal to the West
Recognising Byzantium’s weakened position, Alexius appealed to Pope Urban II in 1095 for military assistance. His initial aim was to recruit Western mercenaries to bolster Byzantine armies, not to spark a massive crusading movement.
The Islamic Near East
Political Divisions
The Islamic Near East on the eve of the First Crusade was deeply divided:
The Seljuk Empire had fragmented into rival sultanates.
In Syria, power was contested between local rulers in Aleppo and Damascus.
Egypt was controlled by the Fatimid Caliphate, a Shi’a power opposed to the Sunni Seljuks.
This disunity prevented a coordinated Muslim response and left many regions vulnerable to external attack.

A labelled overview of Europe and the Eastern Mediterranean c.1096, distinguishing Catholic, Orthodox and Monophysite Christian regions and Sunni–Shi‘a Muslim areas. Major polities including Byzantium, the Sultanate of Rum, the Seljuk Empire and the Fatimid Caliphate are marked. The coloured lines of crusader routes are included here for context but are beyond this subsubtopic’s scope. Source
Religious Context
The Islamic world was split between Sunni and Shi’a sects, weakening its ability to resist external aggression. Though Islam had strong traditions of jihad (struggle in the path of God), the divided leadership meant that jihad was not effectively mobilised in the 1090s.
Jihad: In Islam, the religious duty of Muslims to strive in the path of God, encompassing both spiritual struggle and, at times, armed defence.
The Idea of Holy War
Development in Christian Thought
The idea of Holy War was central to the First Crusade’s justification. Christian attitudes to violence had evolved:
Earlier Church teaching discouraged violence, but by the 11th century, the Church supported just war theory (legitimate if fought for a righteous cause).
Movements like the Peace of God and Truce of God sought to limit knightly violence against Christians, redirecting it instead towards external enemies.
DEFINITION
Just War: A Christian doctrine that war could be morally justified if fought under legitimate authority, for a righteous cause, and with right intention.
By linking warfare to penitential rewards, the Church framed crusading as a spiritual act.
Pilgrimage and Spiritual Merit
Pilgrimage to the Holy Land was already a well-established religious practice. The idea of combining pilgrimage with armed service allowed warriors to gain indulgences, meaning remission of sins, through violence sanctified by the Church.
The Appeal of Alexius (1095) and Urban II’s Opportunity
Context of the Appeal
Alexius’ call for help reached Pope Urban II at a moment of opportunity:
The papacy sought to demonstrate leadership over Christendom.
The Gregorian Reform movement had strengthened papal authority.
There was a large population of landless knights seeking wealth, adventure, and spiritual rewards.
The Council of Clermont
In November 1095, Pope Urban II launched the appeal at Clermont.

Late-medieval illumination depicting Pope Urban II preaching at Clermont in 1095. The scene conveys papal authority and the mobilisation of lay elites for a sanctified military expedition. As an artistic source, it complements, rather than replaces, textual evidence for the appeal. Source
While Alexius had asked for mercenaries, Urban transformed the request into a spiritual mobilisation.
Key elements included:
Framing the crusade as both a pilgrimage and a holy war.
Promising the remission of sins to participants.
Emphasising the suffering of Eastern Christians and the sanctity of Jerusalem.
Motivations for Participation
Though Urban’s appeal highlighted spiritual rewards, crusaders were also motivated by:
Religious devotion and the promise of salvation.
Feudal obligations and loyalty to lords.
Economic opportunity and land prospects.
Adventure and honour in knightly culture.
Interconnected Situations
The convergence of Western Europe’s violent nobility, Byzantium’s military crisis, and Islamic divisions created the context in which the First Crusade could emerge. Urban II’s use of the idea of Holy War provided the ideological framework that unified these disparate factors into the unprecedented expedition that followed.
FAQ
The Investiture Controversy weakened the authority of the Holy Roman Emperor, Henry IV, and bolstered papal claims to supremacy over secular rulers. This shift made the papacy the central authority capable of calling Christendom to collective action.
The conflict also highlighted the Church’s role in reforming and directing Christian society, paving the way for Urban II to frame the crusade as both a religious and unifying enterprise.
Alexius I carefully portrayed Byzantium’s situation to win Western sympathy, emphasising the shared Christian identity between Latin and Greek worlds despite schism.
He promised rewards and alliances to those who helped, framing the request as mutually beneficial. His calculated diplomacy meant Urban II could repurpose the appeal into a wider spiritual mission.
Jerusalem held unique spiritual weight as the site of Christ’s crucifixion and resurrection. Pilgrimage there was considered the pinnacle of Christian devotion.
By the 11th century, instability in the region and reports of Christian mistreatment increased the urgency to protect access. This backdrop made combining pilgrimage with armed service a compelling innovation.
Both movements sought to regulate knightly violence by imposing restrictions:
Peace of God: forbade violence against non-combatants, such as peasants and clergy.
Truce of God: banned fighting on holy days and during certain liturgical seasons.
These initiatives encouraged the idea that knightly violence could be morally redirected, ultimately making the concept of Holy War more acceptable.
Participation promised not only spiritual rewards but also practical advantages.
Families could benefit from indulgences granted to the crusader, reducing spiritual anxiety about salvation.
Taking the cross offered prestige, potentially raising the social standing of the family.
If successful, there was the prospect of land or wealth gained in the East, though this was less common in reality than imagined.
Practice Questions
Question 1 (2 marks):
Name two political challenges faced by the Byzantine Empire on the eve of the First Crusade.
Mark Scheme:
1 mark for each correct challenge, up to 2 marks.
Possible answers include:Loss of territory in Asia Minor after the Battle of Manzikert (1071).
Threat from the Seljuk Turks.
Pressure from external groups such as the Pechenegs or Normans.
Internal instability before Alexius I consolidated power.
Question 2 (6 marks):
Explain how the idea of Holy War influenced Pope Urban II’s appeal at Clermont in 1095.
Mark Scheme:
Level 1 (1–2 marks):
Simple statements with little or no development, e.g. “Holy War meant fighting for God,” or “It helped Urban convince people.”
Level 2 (3–4 marks):
Developed statements showing some explanation, e.g. “Urban’s use of Holy War encouraged knights to fight because it meant their violence could be justified,” or “He linked the campaign with pilgrimage to Jerusalem.”
Level 3 (5–6 marks):
Well-developed explanation that makes clear connections between Holy War and Urban’s appeal, e.g.:
Urban presented the expedition as a penitential act, offering remission of sins.
He transformed Alexius’ request for mercenaries into a spiritual campaign, combining pilgrimage with armed service.
Holy War gave participants both a religious duty and spiritual rewards, strengthening the call to arms.