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Battle of Sagrajas
Part of the Reconquista
Date23 October 1086
LocationNorth of Badajoz
Result Decisive Almoravid victory[1]
Leon and Castile
Taifa of Seville
Taifa of Badajoz
Taifa of Granada
Taifa of Almería
Taifa of Málaga
Commanders and leaders
Alfonso VI
Álvar Fáñez
Sancho Ramírez of Aragon
Yusuf ibn Tashfin
Al Mu'tamid ibn Abbad of Seville
Al Mutawakkil of Badajoz
Abdallah of Granada
2,500 men[2][3] Reportedly 3 times as large as the Castilian army[4]
Casualties and losses
Unknown Unknown

The Battle of Sagrajas (23 October 1086), also called Zalaca or Zallaqa, Arabic language: معركة الزلاقة‎), was a battle between the Almoravid army led by general Yusuf ibn Tashfin and a Christian army led by the Castilian King Alfonso VI. The battleground was later called az-Zallaqah (in English "slippery ground") because the warriors were slipping all over the ground due to the tremendous amount of blood shed that day, and this gives rise to its name in Arabic.


After Alfonso VI, King of León and Castile captured Toledo in 1085 and invaded the taifa of Zaragoza, the emirs of the smaller taifa kingdoms of Islamic Iberia found that they could not resist against him without external assistance. In 1086 Yusuf ibn Tashfin was invited by them to fight against Alfonso VI. In that year, he replied to the call of three Andalusian leaders (Al-Mu'tamid ibn Abbad and others) and crossed the straits to Algeciras and moved to Seville. From there, accompanied by the emirs of Seville, Granada and Taifa of Málaga marched to Badajoz.[5]

Alfonso VI abandoned the siege of Zaragoza, recalled his troops from Valencia and appealed to Sancho I of Aragon for help. Finally he set out to meet the enemy northeast of Badajoz. The two armies met each other on 23 October 1086.[6]

Alfonso VI of Castile reached the battleground with some 2,500 men, including 1,500 cavalry, in which 750 were knights,[7] but found himself outnumbered. The two leaders exchanged messages before the battle. Yusuf ibn Tashfin is reputed to have offered three choices to the Castilians: convert to Islam, to pay tribute (jizyah), or battle.[8]


The battle started on Friday at dawn with an attack from Castile. Yusuf ibn Tashfin divided his army into 3 divisions. The first division was led by Abbad III al-Mu'tamid, the second division was led by Yusuf ibn Tashfin and the third division consisted of black African warriors with Indian swords and long javelins. Abbad III al-Mu'tamid and his division battled with Alfonso VI alone till the afternoon, then Yusuf ibn Tashfin and his division joined the battle and circled Alfonso VI and his troops. Alfonso's troops panicked and started to lose ground, then Yusuf ordered the third division of his army to attack and finish the battle.


At least half the Castilian army was lost. One lone source claims that only 500 knights returned to Castile, although others do not support this low figure, so it seems that most of the nobility survived. The dead included counts Rodrigo Muñoz and Vela Oveguez. King Alfonso VI sustained an injury to one leg that caused him to limp for the rest of his life.

Casualties were also heavy on the Almoravid side, specially for the hosts led by Dawud ibn Aysa, whose camp was even sacked in the first hours of battle, and by the emir of Badajoz, al-Mutawakkil ibn al-Aftas. The Sevillan emir al-Mu'tamid had been wounded in the first clash but his personal example of valour rallied the al-Andalus forces in the difficult moments of the initial Castilian charge led by Alvar Fañez. Those killed included a very popular imam from Cordoba, Abu-l-Abbas Ahmad ibn Rumayla.

The battle was a decisive victory for the Almoravids but their losses meant that it was not possible to follow it up although Yusuf had to return prematurely to Africa due to the death of his heir. Castile suffered almost no loss of territory and was able to retain the psychologically important city of Toledo, occupied the previous year. However, the Christian advance was halted for several generations while both sides regrouped.


  1. Dupuy, R. Ernest and Trevor N. Dupuy, The Harper Encyclopedia of Military history, (HarperCollins Publishers, 1993), 324.
  2. Lewis, David Levering, God's Crucible, (New York: W & W Norton Inc, 2008), 364.
  3. Bernard F. Reilly, The Contest of Christian and Muslim Spain:1031-1157, (Wiley-Blackwell, 1996), 88; To the battle which took place on October 23, 1086, at Zalaca just north of Badajoz, Alfonso brought an army that numbered about 2,500 men....
  4. Lewis, God's Crucible, 361.
  5. O'Callaghan, Joseph F.(1983), 208 and 209
  6. O'Callaghan, Joseph F.(1983), 209
  7. France, John, Western Warfare in the Age of the Crusades, 1000-1300, 162.
  8. David Levering Lewis, 364; "Faithful to the precedent set by the prophet Muhammad, Yusuf sent a messenger to offer Alfonso three alternatives; convert to Islam; submit to the protection of Islam; decide their differences on the battlefield.".


  • Dupuy, R. Ernest and Trevor N. Dupuy, The Harper Encyclopedia of Military history, HarperCollins Publishers, 1993.
  • France, John, Western Warfare in the Age of the Crusades, 1000-1300 (Ithaca: Cornell University Press, 1999), ISBN 0-8014-8607-6
  • Heath, I. (1989). Armies of Feudal Europe 1066-1300 (2nd ed.). Wargames Research Group.
  • Kennedy, H. (1996). Muslim Spain and Portugal: A political history of al-Andalus. London: Longman.
  • Lewis, David Levering, God's Crucible: Islam and the Making of Europe, 570 to 1215 (New York: W & W Norton Inc, 2008), ISBN 0-393-06472-7.
  • Livermore, H. V.(1966) A New History of Portugal. Cambridge University Press.
  • Nicolle, D.(1988) El Cid and the Reconquista 1050-1492 (Men-at-Arms 200). Osprey.
  • Smith, C.(1989–92) Christians and Moors in Spain, Aris & Phillips

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