upgrade
upgrade

🏰European History – 1000 to 1500

Major Crusades

Study smarter with Fiveable

Get study guides, practice questions, and cheatsheets for all your subjects. Join 500,000+ students with a 96% pass rate.

Get Started

Why This Matters

The Crusades weren't just medieval wars over Jerusalem—they fundamentally reshaped European politics, economics, and religious identity for centuries. When you study these campaigns, you're examining how religious authority, feudal military systems, and emerging state power intersected in ways that would define late medieval Europe. The Crusades accelerated cultural exchange, transformed trade networks, and permanently altered the relationship between Latin Christianity and both the Byzantine East and the Islamic world.

You're being tested on more than dates and battle outcomes. Exam questions focus on why crusades succeeded or failed, how papal authority evolved through these campaigns, and what the long-term consequences were for European society. Don't just memorize which king led which crusade—know what each campaign reveals about medieval motivations, logistics, and the limits of religious warfare. Understanding the patterns across these crusades will serve you far better than recalling isolated facts.


Crusades That Achieved Military Objectives

When crusading armies actually captured territory, it was typically due to a combination of unified leadership, strategic timing, and exploiting divisions among Muslim powers.

First Crusade (1095–1099)

  • Pope Urban II launched the crusade at Clermont—responding to Byzantine Emperor Alexios I's request for military aid against Seljuk Turks
  • Jerusalem fell in 1099, leading to the establishment of four Crusader states: the Kingdom of Jerusalem, County of Edessa, Principality of Antioch, and County of Tripoli
  • Unprecedented mass participation drew knights, peasants, and clergy alike, demonstrating the power of plenary indulgences (full remission of sins) as recruitment tools

Third Crusade (1189–1192)

  • Saladin's capture of Jerusalem in 1187 unified European monarchs in response—a rare moment of coordinated royal leadership
  • Richard the Lionheart of England emerged as the dominant military figure after Frederick Barbarossa drowned and Philip II returned home early
  • Treaty of Ramla (1192) secured Christian pilgrimage rights to Jerusalem without recapturing the city—a negotiated compromise that showed the limits of military solutions

Compare: First Crusade vs. Third Crusade—both mobilized Europe's most powerful leaders, but the First succeeded through Muslim disunity while the Third faced Saladin's consolidated power. If an FRQ asks about factors determining crusade outcomes, Muslim political unity is your key variable.


Crusades That Failed Militarily

Most crusades ended in defeat or stalemate, revealing the enormous logistical challenges of projecting medieval military power across thousands of miles.

Second Crusade (1147–1149)

  • Fall of Edessa (1144) triggered the first crusade led by reigning monarchs—King Louis VII of France and Emperor Conrad III of Germany
  • Disastrous siege of Damascus alienated local Christian allies and ended in humiliating retreat within four days
  • Bernard of Clairvaux's preaching generated massive enthusiasm but couldn't overcome poor coordination between French and German forces

Fifth Crusade (1217–1221)

  • Strategic pivot to Egypt reflected new thinking—control the Nile Delta to choke off Muslim access to the Holy Land
  • Damietta captured in 1219 after a lengthy siege, but crusaders rejected a favorable peace offer including Jerusalem
  • Nile flooding trapped the army during an advance on Cairo, forcing surrender and demonstrating the dangers of unfamiliar terrain

Seventh Crusade (1248–1254)

  • Louis IX of France personally led the campaign, bringing enormous resources and royal prestige
  • Damietta fell quickly, but the subsequent march on Cairo ended with Louis's capture at the Battle of Fariskur (1250)
  • Massive ransom payment drained French royal finances and highlighted the personal risks kings faced leading crusades

Compare: Second Crusade vs. Seventh Crusade—both featured French kings, both targeted strategic objectives, both failed catastrophically. The pattern reveals that royal leadership alone couldn't overcome logistical realities and Muslim military adaptation.


Crusades That Went Off Course

Some crusades never reached the Holy Land at all, revealing how political and economic pressures could redirect religious campaigns entirely.

Fourth Crusade (1202–1204)

  • Venetian debt forced crusaders to attack the Christian city of Zara, resulting in papal excommunication of the entire army
  • Sack of Constantinople (1204) destroyed the Byzantine capital and established the Latin Empire—a Catholic state on Orthodox territory
  • Permanent schism deepened between Eastern and Western Christianity, weakening Christendom's eastern flank for centuries

Children's Crusade (1212)

  • Popular movement of young people and poor adults believed divine intervention would succeed where military force had failed
  • Never reached the Holy Land—groups dispersed, with some participants reportedly sold into slavery in North Africa
  • Demonstrated mass religious fervor among common people and the apocalyptic expectations that crusading rhetoric generated

Compare: Fourth Crusade vs. Children's Crusade—both show crusading energy redirected away from original goals, but for opposite reasons. The Fourth was diverted by elite financial interests; the Children's Crusade reflected grassroots religious enthusiasm detached from military reality.


Crusades Through Diplomacy

Not all crusading efforts relied on warfare—some leaders recognized that negotiation could achieve what armies could not.

Sixth Crusade (1228–1229)

  • Frederick II negotiated directly with Sultan al-Kamil, securing Jerusalem, Bethlehem, and Nazareth without major combat
  • Ten-year treaty returned Jerusalem to Christian control, though the city remained unfortified and vulnerable
  • Pope Gregory IX excommunicated Frederick both before and after the crusade, showing papal-imperial rivalry overshadowed religious goals

Compare: Third Crusade vs. Sixth Crusade—Richard fought Saladin to a negotiated stalemate; Frederick bypassed fighting entirely through diplomacy. Both secured pilgrimage access, but Frederick's approach proved that crusading objectives could be achieved without warfare—a lesson largely ignored by subsequent crusaders.


The Decline of Crusading

Later crusades show diminishing European enthusiasm and resources, as the movement that once unified Christendom gradually lost momentum.

Eighth Crusade (1270)

  • Louis IX targeted Tunis rather than Egypt or the Holy Land—possibly hoping to convert the emir or secure a strategic base
  • Disease outbreak killed Louis and much of the army shortly after landing, ending the campaign before any military action
  • Louis's death and later canonization transformed him into a crusading martyr, even as the movement he championed was dying

Ninth Crusade (1271–1272)

  • Prince Edward of England led what would be the last major crusade, arriving too late to coordinate with Louis IX's campaign
  • Limited military operations focused on defending remaining Crusader strongholds rather than reconquest
  • Acre fell in 1291—less than two decades later—marking the final end of Crusader presence in the Holy Land

Compare: First Crusade vs. Ninth Crusade—the contrast reveals the arc of the entire movement. The First mobilized tens of thousands in a burst of religious enthusiasm; the Ninth scraped together a small force with limited objectives. European priorities had shifted toward national consolidation and internal conflicts.


Quick Reference Table

ConceptBest Examples
Successful territorial captureFirst Crusade, Third Crusade (partial)
Military failure despite major investmentSecond Crusade, Fifth Crusade, Seventh Crusade
Diplomatic achievementSixth Crusade
Diversion from original goalsFourth Crusade, Children's Crusade
Declining European commitmentEighth Crusade, Ninth Crusade
Royal leadershipThird, Sixth, Seventh, Eighth Crusades
Papal authority demonstratedFirst Crusade, Fourth Crusade (excommunication)
Long-term Christian-Muslim relationsThird Crusade treaty, Sixth Crusade treaty

Self-Check Questions

  1. Which two crusades successfully captured Jerusalem, and what different methods did they use to achieve this goal?

  2. Compare the Fourth Crusade and the Sixth Crusade in terms of their relationship with papal authority. How did each challenge or complicate the pope's control over crusading?

  3. The Second, Fifth, and Seventh Crusades all failed militarily. Identify one common factor and one unique factor that contributed to each defeat.

  4. If an FRQ asked you to explain why crusading enthusiasm declined by the late 1200s, which three crusades would provide your strongest evidence? What pattern do they reveal?

  5. How did the Crusader states established after the First Crusade shape the objectives of later crusades? Use at least two specific examples in your answer.