Preparations for the Granada War

Timeline

1. 1480Castile · CastileAfter the 1479 peace treaty, the Monarchs turned to a southern strategy, persuading the Roman Curia to define the campaign against Granada as a crusade, providing religious legitimacy for the war and attracting knights to fight.
2. 1480Andalusian frontier · AndalusiaThe Monarchs reinforced frontier castles along the line from Córdoba to Baeza, recruited infantry and cavalry, and integrated noble vassal forces, creating military pressure on the Granadan frontier.
3. 1480–1481Granada · Province of GranadaThrough diplomacy the Monarchs cut Granada's ties with North Africa and its Iberian allies; after preparations were completed in 1480, the war formally began at the end of 1481 with Granada's surprise attack on Zahara.