nIberians had long inhabited a frontier zone where differing cultures interacted.
nMuslims invaded and conquered in the 8th century; later small Christian states formed and began a long period of re-conquest.
•By the mid-15th century a process of political unification was underway.
•Castile and Aragon were united through marriage.
•Granada, the last Muslim kingdom, fell in 1492, and Castile expelled its Jewish population.