The Battle of Harran took place on 7 May 1104 between the

Crusader states The Crusader States, also known as Outremer, were four Catholic realms in the Middle East that lasted from 1098 to 1291. These feudal polities were created by the Latin Catholic leaders of the First Crusade through conquest and political in ...

of the

Principality of Antioch The Principality of Antioch was one of the crusader states created during the First Crusade which included parts of modern-day Turkey and Syria. The principality was much smaller than the County of Edessa or the Kingdom of Jerusalem. It extende ...

and the

County of Edessa The County of Edessa (Latin: ''Comitatus Edessanus'') was one of the Crusader states in the 12th century. Ferdinandi, Sergio (2017). La Contea Franca di Edessa. Fondazione e Profilo Storico del Primo Principato Crociato nel Levante (1098-115 ...

, and the

Seljuk Turks The Seljuk dynasty, or Seljukids ( ; fa, سلجوقیان ''Saljuqian'', alternatively spelled as Seljuqs or Saljuqs), also known as Seljuk Turks, Seljuk Turkomans "The defeat in August 1071 of the Byzantine emperor Romanos Diogenes by the Turk ...

. It was the first major battle against the newfound Crusader states in the aftermath of the

First Crusade The First Crusade (1096–1099) was the first of a series of religious wars, or Crusades, initiated, supported and at times directed by the Latin Church in the medieval period. The objective was the recovery of the Holy Land from Islamic ru ...

, marking a key turning point against

Frankish Frankish may refer to: * Franks, a Germanic tribe and their culture ** Frankish language or its modern descendants, Franconian languages * Francia, a post-Roman state in France and Germany * East Francia, the successor state to Francia in Germany ...

expansion. The battle had a disastrous effect on the

as the Turks regained territory earlier lost.

Background

In 1104 Baldwin II of Edessa had attacked and besieged the city of

Harran Harran (), historically known as Carrhae ( el, Kάρραι, Kárrhai), is a rural town and district of the Şanlıurfa Province in southeastern Turkey, approximately 40 kilometres (25 miles) southeast of Urfa and 20 kilometers from the border cr ...

. For his further support Baldwin sought help fr