How the Crusades Changed History

Explore long-term historical developments that underlay the Crusades. Take account of the tensions between the Christian West and the eastern Byzantine Empire, and how Arab expansion served to drive them further apart. Look into the conception of jihad (holy war) formulated by Islamic jurists. Then, follow the political and religious schism between the Byzantine Empire and the Roman papacy.

Witness how the migration of Turks into Islamic and Byzantine lands set in motion the events that led to the Crusades. Study the geopolitical factors within the Byzantine Empire that led the emperor to call on the papacy for military aid. Learn about Pope Urban II's call for the first Crusade and the motives that impelled crusaders to join the expedition.

Follow the dramatic unfolding of the First Crusade, beginning with the Popular Crusade, comprising common people inspired by notions of an apocalyptic confrontation, and leading to a disastrous campaign against the Turks. Then, trace the Barons' Crusade, a noble-led delegation joining Byzantine troops in besieging Nicaea, Antioch, and finally Jerusalem, fulfilling the Crusade's paramount goal.

Enter the world of the Templars and the Hospitallers, Christian religious-military orders with an important presence in the crusader kingdoms. Grasp how these new orders created an unusual fusion of the features of knighthood with those of monasticism. Learn about their networks of support, their functions during the Crusades, and the challenges they posed to the crusaders and local rulers.

The First Crusade saw the founding of the crusader kingdoms of Jerusalem, Antioch, and the counties of Edessa and Tripoli. Trace the surprising alliances made to better defend crusader territories. Witness the debacle of the first European attempt to reinforce the crusader states, and the shifting alliances and conflicts that led to the fall of Edessa.

Relive the launching of the Second Crusade, triggered by the loss of Edessa and led by the kings of France and Germany. Follow the disjointed path of crusaders toward Jerusalem, leading to their ill-fated siege of Damascus and the disintegration of the Crusade. Examine the struggle of Westerners to come to terms with the Crusade's failure and territorial gains of Muslim leaders in its wake.

Take the measure of Saladin, the legendary Muslim military leader renowned for his fairmindedness and generosity in times of war. Trace his unusual and improbable rise to power, culminating in his roles as Vizier of Egypt and ruler of Syrian territories. Learn about his long-held dream of driving the Franks from the Holy Land, and his ultimate conquest and capture of Jerusalem.

The fall of Jerusalem resulted in the Third Crusade, led by the kings of France, England, and Germany. Relive the unfolding of the conflict, in which Richard Lionheart of England emerged as the de facto leader. Explore the interactions and mutual esteem between Richard and Saladin, and the fortunes of the Crusade, leaving the Kingdom of Jerusalem in crusader hands but without the city itself.

Examine the course of the controversial Fourth Crusade, originally planned as a strategic attack on Egypt with Venetian support. Track the crusader's path, and the subsequent refocusing of the crusade on Constantinople. Study the complex political events that led to the sacking of the city and the imposition of a Latin Empire of Constantinople. Assess the divisive aftermath of the crusade.