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Outline

Christianity and the Unification of Iberia During the Reconquista

2025

Abstract

This short paper briefly explores the pivotal role of Christianity as the ideological and unifying force during the Reconquista, the centuries-long Christian effort to reclaim the Iberian Peninsula from Islamic rule. Far from a mere territorial conflict, the Reconquista was deeply rooted in a shared Christian mission that transcended political fragmentation among Iberian kingdoms. Beginning with Pelayo’s resistance at Covadonga and culminating in the final conquest of Granada in 1492, Christian identity fostered cohesion, galvanized military campaigns, and shaped emerging notions of Spanish national unity. The study examines the interplay of religious propaganda, papal endorsement of crusading, and local political dynamics that collectively forged a national Christian consciousness. Ultimately, the paper argues that Christianity was not just a background belief but the very foundation upon which Iberian political and cultural unity was built.

Christianity and the Unification of Iberia During the Reconquista The Reconquista, the centuries-long campaign to reclaim the Iberian Peninsula from Islamic control, was profoundly shaped by the religious identity of the Christian kingdoms. Far from being a mere political or territorial conflict, the Reconquista was fundamentally driven by a sense of Christian mission. From its inception at Covadonga to the final victory in 1492, Christianity served not merely as a background belief but as the unifying ideological force that eventually fused fragmented Iberian polities into a coherent national identity. The Religious Origins of the Reconquista The foundational moment of the Reconquista is traditionally placed at the Battle of Covadonga (circa 722), where King Pelayo resisted Muslim incursions in the mountainous region of Asturias. His statements, preserved in the Chronicle of Alfonso III, underscore the explicitly religious motivation behind the resistance: “I will not associate with the Arabs in friendship nor will I submit to their authority. . . for we confide in the mercy of the Lord that from this little hill that you see, the salvation of Spain (salus Spanie) and of the army of the Gothic people will be restored.” Pelayo explicitly appeals to Christian eschatological hope and likens the Church to the mustard seed from the Gospel of Mark. He portrays resistance not simply as political defiance but as a religious duty. According to historian Joseph O’Callaghan, “Covadonga became the symbol of Christian resistance 1 to Islam and a source of inspiration to those who, in words attributed to Pelayo, would achieve the salus Spanie, the salvation of Spain” [2]. This period already showed a division between two kinds of Christian responses under Islamic rule: those who resisted and fled to the north, and those who remained, maneuvering within the Islamic legal framework as dhimmis. The divide hints at the beginning of a long-term tension between zealous Christian resistance and pragmatic accommodation. Fragmentation and Disunity Among Christian Kingdoms Despite the religious fervor at Covadonga, the early centuries of the Reconquista were marked by deep political fragmentation. King Pelayo lacked the authority to unify the various Christian lords, many of whom prioritized dynastic disputes over a common religious cause. Even Rodrigo Dı́az de Vivar, known as El Cid, although posthumously celebrated as a Christian hero, frequently fought for Muslim leaders against fellow Christians for personal gain. It was only later, under rulers such as Alfonso VIII of Castile, that Christianity served as a serious instrument for political unity. As W. Montgomery Watt notes: “The Christians also were far from being united. Yet in so far as they became more aware of themselves as Christians fighting against the enemies of Christianity, they had a reason for uniting in military operations with their fellow-Christians. . . As the centuries passed, this understanding of their identity among the inhabitants of the local kingdoms was a factor contributing both to the unity of Spain and to the close association between the new Spanish identity and militant Catholicism.” Christian identity thus provided not only ideological cohesion but also a broader geopolitical identity that transcended regional boundaries [3]. 2 The Role of Propaganda and Religious Ideology The transformation of El Cid into a unifying Christian hero exemplifies how religious propaganda was used to inspire unity. The Lay of the Cid, an epic poem composed in the 13th century, served as a tool to cultivate nationalist sentiment underpinned by religious conviction. “The Lay of the Cid... was a propaganda tool designed to unify the Christian kingdoms in the Iberian peninsula against the Almohads... Alfonso VIII of Castile... used El Cid to encourage unity among the fragmented Christian Iberian kingdoms during the reconquista.” The poem functioned as part of Alfonso VIII’s broader effort to forge a localised national Christendom, counterbalancing papal authority and uniting disparate factions under a common religious-political identity [4]. The Papacy and the Institutionalization of Holy War The institutional Church played a vital role in framing the Reconquista as a legitimate crusade. Beginning with Pope Gregory VII, the papacy extended indulgences and spiritual rewards to Iberian fighters equivalent to those offered to Crusaders in the Holy Land. As summarized by Professor James Brodman: “The papacy... transformed the Muslim wars in Spain into crusades and then supported them with indulgences and financial incentives... The kings, warriors, and populace of Christian Iberia embraced the ideology of crusading as a fundamental justification for their participation.” This ecclesiastical support gave theological legitimacy to military campaigns and mobilized widespread popular support. Moreover, the Church functioned as a mediator among rival Christian kingdoms, encouraging cooperation and quelling fraternal discord. As Lafuente records: 3 ”La Iglesia de España... alentando al combate, exhortando en la pelea, consolando en la derrota, y cortando las rencillas y discordias fraternales.” [5] Christianity as the Foundation of National Identity Claude Proeschel goes further in asserting that Christianity was not merely an element of unity but the very essence of community in Iberia: ”The fundamental factor of such a community is its religion, its faith; without it, it cannot, or will cease to, exist... Without the community there was no sovereign power and without Christianity there was no community.” Thus, the transformation of scattered Christian polities into a unified Spain was contingent upon a shared religious identity. Christianity gave meaning to the Reconquista beyond the battlefield; it was the cultural and spiritual framework that sustained the mission [6]. Conclusion The Reconquista cannot be properly understood apart from its Christian foundations. While political motives, territorial ambitions, and dynastic rivalries undoubtedly played roles, it was the shared identity of Catholic Christendom that ultimately enabled the Iberian states to unite and reclaim their land. From Pelayo’s initial resistance at Covadonga to the papally-endorsed crusades and Alfonso VIII’s development of a national religious consciousness, Christianity was both the spiritual engine and ideological glue of the Reconquista. Without it, the peninsula might have remained fractured and under foreign rule. 4 References [1] Raymond Ibrahim, Sword and Scimitar: Fourteen Centuries of War Between Islam and The West. [2] Joseph O’Callaghan, A History of Medieval Spain, p. 99. [3] W. Montgomery Watt, The Influence of Islam on Medieval Europe, p. 48. [4] Geoff Chapman, El Cid: The Establishment of a Unified Christian Iberian Peninsula, University of Guelph. [5] Lafuente, Historia General de España, vol. 3, pp. 379–380. [6] Claude Proeschel, ”Spain: Religion and Politics,” EUREL, From the Reconquest to Unity through Faith. 5

References (6)

  1. Raymond Ibrahim, Sword and Scimitar: Fourteen Centuries of War Be- tween Islam and The West.
  2. Joseph O'Callaghan, A History of Medieval Spain, p. 99.
  3. W. Montgomery Watt, The Influence of Islam on Medieval Europe, p. 48.
  4. Geoff Chapman, El Cid: The Establishment of a Unified Christian Iberian Peninsula, University of Guelph.
  5. Lafuente, Historia General de España, vol. 3, pp. 379-380.
  6. Claude Proeschel, "Spain: Religion and Politics," EUREL, From the Re- conquest to Unity through Faith.