The Battle of Alcoraz took place in 1096 outside Huesca

Huesca

Huesca is a city in north-eastern Spain, within the autonomous community of Aragon. It is also the capital of the Spanish province of the same name and the comarca of Hoya de Huesca....

 (Arabic Wasqah), pitting the besieging forces of Peter I of Aragon and Navarre

Peter I of Aragon and Navarre

Peter I was the King of Aragon and Navarre for a decade from 1094 until his death. He was the son and successor of Sancho V Ramírez by his first wife, Isabella of Urgell. He was named in honour of Saint Peter, because of his father's special devotion to the Holy See, to which he had made his...

 against the relief forces of Al-Musta'in II of Zaragoza

Taifa of Zaragoza

The taifa of Zaragoza was an independent Muslim state in Moorish Al-Andalus, present day eastern Spain, which was established in 1018 as one of the taifa kingdoms, which emerged in the 11th century following the destruction of the Caliphate of Córdoba in the Moorish Iberian Peninsula.During the...

. The siege was begun some two years earlier (1094) by Peter's father, Sancho Ramírez, who had camped at the time in the Castle of Montearagón

Castle of Montearagón

The Castle of Montearagón is a former fortress-monastery in Quicena, near Huesca, Aragon, Spain, built in the Romanesque style. It is presently in ruins....

. While inspecting the siege efforts around the walls, Sancho was killed by an arrow. His successor continued the siege and, at nearby Alcoraz, defeated the troops of Al-Musta'in come up from Zaragoza.

Later legends hold that during the battle Saint George

Saint George

Saint George was, according to tradition, a Roman soldier from Syria Palaestina and a priest in the Guard of Diocletian, who is venerated as a Christian martyr. In hagiography Saint George is one of the most venerated saints in the Catholic , Anglican, Eastern Orthodox, and the Oriental Orthodox...

 appeared above the crown of Aragon, in support of the effort of the Reconquista

Reconquista

The Reconquista was a period of almost 800 years in the Middle Ages during which several Christian kingdoms succeeded in retaking the Muslim-controlled areas of the Iberian Peninsula broadly known as Al-Andalus...

. This parallels similar visions of Santiago Matamoros (Saint James) in support of the Christian forces of Asturias

Kingdom of Asturias

The Kingdom of Asturias was a Kingdom in the Iberian peninsula founded in 718 by Visigothic nobles under the leadership of Pelagius of Asturias. It was the first Christian political entity established following the collapse of the Visigothic kingdom after Islamic conquest of Hispania...

 in the Battle of Clavijo

Battle of Clavijo

The Battle of Clavijo was a legendary battle, supposedly fought in 844 near Clavijo between the Christians led by Ramiro I of Asturias and the Muslims led by the Emir of Córdoba. Saint James the Great, known to Spaniards as Santiago Matamoros , is reputed to have aided the vastly outnumbered...

over two hundred years earlier.