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| Battle of Atapuerca | |||||||||
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 Panoramic of the Sierra de Atapuerca | |||||||||
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| Belligerents | |||||||||
| Kingdom of Pamplona | |||||||||
| Commanders and leaders | |||||||||
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Ferdinand I of León and Castile Diego Laínez |
García Sánchez III of Navarre † Fortún Sánchez † | ||||||||
| Units involved | |||||||||
| Moorish auxiliary troops | |||||||||
The Battle of Atapuerca was fought on 1 September 1054 at the site of Piedrahita ("standing stone") in the valley of Atapuerca between two brothers, King García Sánchez III of Navarre and King Ferdinand I of Castile.
The Castilians won and King García and his favourite Fortún Sánchez were killed in battle.[1] Ferdinand reannexed Navarrese territory he conceded to García 17 years earlier after his brother's assistance at Pisuerga.
- ^ Joseph F. O'Callaghan, A History of Medieval Spain, (Cornell University Press, 1975), 195.