The Battle of Harran takes place on May 7, 1104 between the Crusader states of the Principality of Antioch and the County of Edessa, and the Seljuk Turks.
It is the first major battle against the newfound Crusader states in the aftermath of the First Crusade marking a key turning point against Frankish expansion.
The battle has a disastrous effect on the Principality of Antioch as the Turks regain territory earlier lost.
