Treaty of Alcáçovas
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The Treaty of Alcáçovas (also known as Treaty or Peace of Alcáçovas-Toledo) was signed on 4 September 1479 between the
The treaty intended to regulate:
After Henry's IV death in 1474, the Castilian crown was disputed between the half-sister of the king,
Parallel to the dynastic struggle, there was a fierce naval war between the fleets of Portugal and Castile to access and control overseas territories − especially
Historian Stephen R. Bown wrote:
When Ferdinand an Isabella secured their rule after the Battle of Toro on 1 March 1476- effectively eliminating the threat of Portuguese invasion but not officially ending the war- they renewed the twenty-year-old Castilian claim to their "ancient and exclusive" rights to the Canary Islands and the Guinea coast .... They encouraged Spanish merchant ships to take advantage of the political disruption and considered making direct attacks on Portuguese vessels returning from Guinea, with the objective of seizing the monopoly.... In 1478 a Spanish fleet of thirty-five caravels was intercepted by an armed Portuguese squadron. Most of the fleet was captured and taken to Lisbon. [I]n 1479 ... the two nations concluded terms for peace with the treaty of Alcáçovas, ending the struggle for the succession as well as their battle at sea.