Battle of Harran (1104)
The Battle of Harran (in northern Syria) was fought between the allied forces of the Principality of Antioch and the County of Edessa against the Seljuk Turks in 1104. The Seljuk Turks decisively defeated the Crusaders and captured Baldwin II of Edessa, while many Christian knights were killed. The Principality of Antioch lost over one half of its territory most of which was recovered within a decade. However, the defeat of Christian forces at the Battle of Harran marked the end of the Crusader expansion in the Middle East.