Person

Alfonso XI of Castile

1311–1350 · 14th century

Alfonso XI was king of Castile and León from 1312 to 1350. After a long minority he restored royal authority, and in 1340, with Afonso IV of Portugal, he defeated the Marinids and Granada at the Battle of Río Salado. He took Algeciras in 1344 and gave the Siete Partidas force of law in 1348, but died of plague while besieging Gibraltar.

Alfonso XI of Castile
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APA
The Epoch Institute. (2026). Alfonso XI of Castile. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/alfonso-xi-of-castile
MLA
“Alfonso XI of Castile.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/alfonso-xi-of-castile. Accessed .
Chicago
The Epoch Institute. “Alfonso XI of Castile.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/alfonso-xi-of-castile.
Harvard
The Epoch Institute (2026) ‘Alfonso XI of Castile’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/alfonso-xi-of-castile (Accessed: ).

Last reviewed October 2026Random entry ↻