Crusades · 1099
Why did the First Crusade succeed when later ones failed?
The seminar question: “Why did the First Crusade succeed, and why did later expeditions face different conditions?”
The First Crusade (1096–1099) began with the murder of thousands of Jews in Speyer, Worms and Mainz, and the People’s Crusade was destroyed near Nicaea. The princely armies, aided by Byzantium and Italian ships, survived a siege at Antioch in 1098 and stormed Jerusalem in 1099, massacring many Muslim and Jewish inhabitants.
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The call to fight enemies of Christ in the East gave some listeners a reason to attack Jews much closer to home. In spring 1096 armed bands descended on the communities of Speyer, Worms and Mainz, demanding conversion and killing thousands. Local bishops sometimes attempted to shelter Jewish residents, but their protection often failed. The victims were defenseless neighbors, not combatants. Understanding how the language of holy war was turned against them does nothing to justify the killings. The People’s Crusade continued east ahead of the princes and was destroyed by Turkish forces near Nicaea.
The short answer
- Muslim disunity, above all. The crusaders entered a region where potential opponents had their own conflicts. Seljuk heirs fought each other, Syrian emirs competed, and Fatimid Egypt retook Jerusalem from the Seljuks in 1098. Some emirs even sold supplies to the expedition. These divisions made a common defense difficult and gave the invaders an opening that a more united opposition might have closed.
- Byzantine logistics and Italian fleets. Alexios transported the armies across the water, guided and fed them, even as distrust grew. Genoese and Pisan ships supplied food, timber and siege engines. The expedition needed these practical resources to reach and take Antioch and Jerusalem; conviction could not supply them on its own.
- Zeal and the refusal to turn back. Many participants believed they were doing God’s work and continued despite starvation, disease and desertion. At Antioch the discovery of the Holy Lance strengthened morale in a desperate situation. Belief helped people endure, though it could not resolve the army’s problems of supply and command.
THE TURNING POINT
Antioch, June 1098 — the siege within a siege. The capture of Antioch in June 1098 reversed the siege without ending it. After eight months outside the city, the crusaders were themselves trapped inside, short of food, while Kerbogha’s much larger army waited beyond the walls. They broke out and won partly because his emirs mistrusted one another and did not fight effectively together. Their survival depended on both their own endurance and the weakness of the coalition facing them.
What it changed
Four states are born. The four Latin states emerged at different times: Edessa and Antioch in 1098, Jerusalem in 1099, and Tripoli consolidated by 1109. Together they formed Outremer, “the land beyond the sea,” shown on the map. The next chapter considers how a few thousand settlers governed these territories.
An impossible standard. Later expeditions were measured against the victory of 1099, and some contemporaries blamed defeat on the participants’ sins. Yet the political and military conditions of the first victory had changed. Treating success as proof of purity encouraged people to seek wrongdoing when a later army faced different enemies and alliances.
The Greek rupture deepens. Bohemond kept Antioch despite his oath to Alexios. His decision added to Latin and Byzantine grievances at a time when cooperation had already become strained. Relations worsened further before a later crusade turned against Constantinople.
A memory of blood. Over time, the massacre at Jerusalem entered Muslim memory and became part of the argument for resistance to the Latin states. Its consequences lay both in the lives destroyed and in the place the killing acquired in later accounts of the struggle.
The full answer, argued
The first expedition reached the East when Seljuk heirs, Syrian emirs and the Fatimids were divided. It also benefited from surprise, Byzantine help and maritime supplies, while its participants endured immense hardship. Later expeditions faced different opponents and alliances. Zengi and Nur al-Din, followed by Saladin and the Mamluks, brought greater resources against the Latin states. Determination could not make a more coordinated defense disappear. Later campaigns had different aims and results, but distance from western Europe and the small settler population remained serious problems. The first crusade exploited an opportunity; it did not discover a repeatable formula.
An interesting fact
At Antioch the discovery of the Holy Lance encouraged believers, but the papal legate Adhémar was skeptical from the first. The dispute continued. In April 1099 at Arqa, Peter Bartholomew, who had found the relic, carried it between burning piles of wood to prove his claim. He died of his burns within a fortnight. Raymond of Aguilers, a chronicler who supported Peter, recorded the injuries.
This is the study layer of First Crusade, chapter 2 of The Crusades, 1095–1291; the full index of the atlas is here.
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