The last of the Moorish rulers was expelled from the Iberian peninsula in the reconquista of 1492 when Ferdinand and Isabella, Los Reyes Catolicos (The Catholic Monarchs), expelled the last of the Moorish rulers, Boabdil of Granada, from the peninsula, uniting most of what is now Spain.
How many college graduates today, how many professors in the liberal arts have any idea of how great was the power of Turkey under the Sultan Sullieman, and how close he came to conquering all Europe?