The siege of Tudela was the main action of the French military campaign in Spain in 1087 in conjunction with Kings
Alfonso VI of León and Castile
Alphons (Latinized ''Alphonsus'', ''Adelphonsus'', or ''Adefonsus'') is a male given name recorded from the 8th century (Alfonso I of Asturias, r. 739–757) in the Christian successor states of the Visigothic kingdom in the Iberian peninsula. ...
and
Sancho V of Navarre and Aragon. The arrival of a French army under
Odo I, Duke of Burgundy
Odo I (1060 – 1102Constance Brittain Bouchard, ''Sword, Miter, and Cloister: Nobility and the Church in Burgundy, 980–1198'', (Cornell University Press, 1987), 256. at Tarsus), also known as Eudes, surnamed Borel and called ''the Red'', was ...
, and
William, Viscount of Melun, early in the spring of 1087 was a response to Alfonso's plea for military aid, which was generated by the offensive of the
Almoravids
The Almoravid dynasty ( ar, المرابطون, translit=Al-Murābiṭūn, lit=those from the ribats) was an imperial Berber Muslim dynasty centered in the territory of present-day Morocco. It established an empire in the 11th century that ...
on Iberia. After defeating Alfonso at the
Battle of Sagrajas
The Battle of Sagrajas (23 October 1086), also called Zalaca or Zallaqa ( ar, معركة الزلاقة, translit=Maʿrakat az-Zallāqa), was a battle between the Almoravid army led by their King Yusuf ibn Tashfin and an army led by the Ca ...
on 23 October 1086, the Almoravids retreated before the French could arrive. Alfonso then convinced his allies to direct their energies at
Tudela, the northernmost fortress of the
''taifa'' of Zaragoza. The siege was a complete failure militarily, but several important negotiations took place there among the besieging parties.
References
*{{cite book , last=Reilly , first=Bernard F. , year=1988 , title=The Kingdom of León-Castilla under King Alfonso VI, 1065–1109 , location=Princeton , publisher=Princeton University Press , pages=191–92
1087 in Europe
11th century in Al-Andalus
Tudela
11th century in the Kingdom of León
Tudela
Tudela
Taifa of Zaragoza