The Crusades: What Really Happened and Why
The Word That Ends Conversations
The Crusades: What Really Happened and Why
No word shuts down a conversation about Catholic history faster than “Crusades.” The word has become a weapon — deployed by secular critics to prove the Church’s bloodthirst, by Muslim apologists to explain present grievances, by atheists to refute the idea that religion is anything other than organized violence. The caricature runs roughly as follows: peaceful Muslims were minding their own business in Jerusalem when fanatical Christian knights descended on them without provocation and massacred them in the name of God. The Crusades were the original Western imperialism, the original religious terrorism, the template for everything that is wrong with Christianity.
This narrative is not history. It is mythology — and it is mythology constructed almost entirely from ignorance of what actually happened in the two centuries before the First Crusade. The truth is more complex, more morally serious, and ultimately more instructive — because understanding the Crusades requires understanding the world that produced them.
What Happened Before the First Crusade
Four Hundred Years of Jihad
In 632 AD, Mohammed died. Within a century, his successors had conquered the entire Middle East, North Africa, Persia, and most of Spain — territory that had been Christian for centuries. Jerusalem, the holiest city in Christendom, fell in 637. Alexandria, one of the great centers of Christian theology, fell in 641. The ancient Christian communities of Egypt, Syria, Palestine, and North Africa — the churches of Origen, Athanasius, Augustine, and Cyril — found themselves under Islamic rule. Some survived as diminished minorities under the dhimmi system. Many did not.
For the next four centuries, the Islamic caliphates held Jerusalem and the Holy Land. Pilgrimage — the great Christian practice of visiting the sites of Christ’s life, death, and resurrection — continued intermittently under various conditions of tolerance and hostility. Then, in 1009, the Fatimid Caliph al-Hakim ordered the destruction of the Church of the Holy Sepulchre in Jerusalem — the most sacred site in Christendom, believed to be built over the tomb of Christ. Thirty thousand churches were destroyed across the Holy Land under his rule.
In 1095, the Byzantine Emperor Alexios I Komnenos sent envoys to Pope Urban II with a desperate appeal for military assistance. The Seljuk Turks — a new and more aggressive Islamic force — had destroyed the Byzantine army at Manzikert in 1071, seized most of Anatolia (modern Turkey, the heartland of Byzantine power), and were threatening Constantinople itself. The Christian East was on the verge of extinction. Alexios begged the Christian West for help. Urban II’s call to the First Crusade at Clermont was a response to this appeal — a defensive action, not an unprovoked aggression.
What the Crusades Were
A Military Pilgrimage of Defense
Pope Urban II’s sermon at Clermont in November 1095 was not a call to conquest. It was a call to defend the Christian East and liberate the Holy Land. The Pope offered remission of the temporal penalties for sin to those who took up the cross — not because killing was holy but because the penitential act of armed pilgrimage on behalf of one’s suffering brothers was considered a work of charity.
The First Crusade achieved its objective: Jerusalem was taken in 1099. The Crusader kingdoms established in the Holy Land lasted, in various forms, for nearly two centuries. The behavior of the Crusaders was often brutal by any standard — the massacre after the fall of Jerusalem in 1099 was genuinely horrific, and no apologist should minimize it. But it must be contextualized: siege warfare in the eleventh century routinely ended in massacre when a city that could have surrendered chose to fight. The Crusaders’ conduct, while deplorable, was not uniquely or disproportionately brutal by the standards of the time.
The Subsequent Crusades
A Mixed and Honest Record
The record of the subsequent Crusades is genuinely mixed and deserves honest assessment. The Second Crusade (1147-1149) was a military disaster that achieved nothing. The Third Crusade (1189-1192) was more successful militarily but failed to retake Jerusalem, ending in a negotiated peace between Richard I of England and Saladin. The Fourth Crusade (1202-1204) was a catastrophe of a different kind: the Crusaders, diverted by Venetian commercial interests, sacked the Christian city of Constantinople — a crime against their own brothers in the faith that Pope Innocent III publicly condemned.
The Fourth Crusade was not sanctioned by the papacy; it was condemned by it. This matters. The Catholic Church does not own the crimes of those who nominally acted in her name but against her explicit orders. The Crusaders who sacked Constantinople were excommunicated. The distinction between what the Church taught and what some Christians did matters as much in the Crusades as it does in the abuse scandals.
The honest verdict on the Crusades is this: they were motivated by genuine faith and genuine grievance; they were prosecuted with genuine brutality and genuine heroism; they achieved some of their objectives and failed at others; they left behind complex legacies of cultural exchange as well as violence. They were not uniquely evil. They were medieval — which means brutal by our standards and comprehensible by theirs. The Church has acknowledged the sins of Crusaders who violated the spirit of their mission. She has not apologized for the principle that Christians have the right and sometimes the duty to defend themselves and their brothers.