Spain, Portugal and the Atlantic Frontier of Medieval Europe

As seen from the perspective of 1492, the medieval expansion of Latin Europe was nowhere as dramatic or enduring as in the Iberian Peninsula and the Atlantic. Its Christian kingdoms continued their advance against Al-Andalus up to 1492, whereas territorial expansion elsewhere against the Muslim world had either ceased or subsided by the late 13th century. Castile and Portugal also transformed the Atlantic Ocean from the inaccessible dead-end of Eurasia into the most promising avenue for European