A tercio, Spanish for "[a] third") was a military unit of the Spanish Army during the reign of the Catholic Monarchs of Spain and Habsburg Spain in the early modern period. They were the elite military units of the Spanish monarchy and the essential pieces of the powerful land forces of the Spanish Empire, sometimes also fighting with the navy.
Surrender of Breda, by Velázquez, shows Ambrosio Spinola (at right), commander of a Spanish tercio, receiving the keys to the city from a defeated Dutch general in 1625.
Tercios disembarking, 1583
Schematic depiction of the pikemen's combat drill.
The Granada War was a series of military campaigns between 1482 and 1492 during the reign of the Catholic Monarchs, Isabella I of Castile and Ferdinand II of Aragon, against the Nasrid dynasty's Emirate of Granada. It ended with the defeat of Granada and its annexation by Castile, ending the last remnant of Islamic rule on the Iberian peninsula.
The Surrender of Granada by F. Pradilla: Muhammad XII (Boabdil) surrenders to Ferdinand and Isabella.
Queen Isabella's marriage with Ferdinand of Aragon ensured a united front of Castile and Aragon against Granada.
Painting depicting Muhammad XII's family in the Alhambra moments after the fall of Granada