Castilian Civil War

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For the other conflict sometimes called the 'Castilian Civil War,' see War of the Castilian Succession.

The First Castilian Civil War^[1] lasted three years from 1366 to 1369. It became part of the larger conflict then raging between England and France: the Hundred Years' War. It was fought primarily in the Kingdom of Castile and its coastal waters between the local and allied forces of the reigning king, Peter, and his illegitimate brother Henry of Trastámara over the right to the crown.

1 Causes
2 Conflict
3 Notes
4 Sources

[edit] Causes

Peter was called by his supporters "The Just" and by his detractors "The Cruel". To the higher ranks of the nobility, he was a tyrant, forcing the royal will on hitherto free men. He had greatly extended the royal authority and had entered into a war with Aragon.

His illegitimate brother Henry quickly obtained the support of not only the upper noblesse, but France, Aragon, and the Papacy. In 1366, he officially deposed his brother as king of Castile, León, Toledo, and Seville and had himself proclaimed king in the monastery of Las Huelgas.

[edit] Conflict

Battle of Nájera, from a fifteenth-century manuscript, the English and Pedro are on the left.

In 1366, Henry, then living in France, assembled a large army, with both French and Aragonese components and English mercenaries, at Montpellier and invaded Castile with the support of the kings of France and Aragon (Charles V and Peter IV respectively). He successfully forced Peter to flee.

Peter fled to Bayonne, a city in English-held Gascony. There he petitioned Edward, the Black Prince, for aid and, in exchange for lands in Castile, received it. With English troops led by the prince, he returned to Castile and reasserted his royal power in 1367, forcing Henry to return to France after the successful Battle of Nájera (Navarette). He refused, however to make good on his dealings with the English and his allies, including the Prince of Wales himself, soon left. In 1368, Henry and Charles of France signed the Treaty of Toledo whereby the Castilians lend a fleet in the Bay of Biscay to the French in return for military aid on land.

Henry reentered Castile in 1369 and murdered Peter at the Battle of Campo de Montiel. He was acclaimed Henry II and immediately solidified his rule by removing Jews from high office. Castile became, at this time, a stern ally of the French in their ongoing wars.