The Reconquista was a period of almost 800 years (539 years in Portugal) in the Middle Ages

Middle Ages

The Middle Ages is a periodization of European history from the 5th century to the 15th century. The Middle Ages follows the fall of the Western Roman Empire in 476 and precedes the Early Modern Era. It is the middle period of a three-period division of Western history: Classic, Medieval and Modern...

 during which several Christian kingdoms succeeded in retaking the Muslim-controlled areas of the Iberian Peninsula

Iberian Peninsula

The Iberian Peninsula , sometimes called Iberia, is located in the extreme southwest of Europe and includes the modern-day sovereign states of Spain, Portugal and Andorra, as well as the British Overseas Territory of Gibraltar...

 broadly known as Al-Andalus

Al-Andalus

Al-Andalus was the Arabic name given to a nation and territorial region also commonly referred to as Moorish Iberia. The name describes parts of the Iberian Peninsula and Septimania governed by Muslims , at various times in the period between 711 and 1492, although the territorial boundaries...

. The Reconquista of Al-Andalus began soon after the Islamic conquest with the formation of the Kingdom of Asturias

Kingdom of Asturias

The Kingdom of Asturias was a Kingdom in the Iberian peninsula founded in 718 by Visigothic nobles under the leadership of Pelagius of Asturias. It was the first Christian political entity established following the collapse of the Visigothic kingdom after Islamic conquest of Hispania...

 by the Visigoths under the leadership of the nobleman Pelagius.

The Islamic conquest

Umayyad conquest of Hispania

The Umayyad conquest of Hispania is the initial Islamic Ummayad Caliphate's conquest, between 711 and 718, of the Christian Visigothic Kingdom of Hispania, centered in the Iberian Peninsula, which was known to them under the Arabic name al-Andalus....

 of the Christian Visigothic Kingdom

Visigothic Kingdom

The Visigothic Kingdom was a kingdom which occupied southwestern France and the Iberian Peninsula from the 5th to 8th century AD. One of the Germanic successor states to the Western Roman Empire, it was originally created by the settlement of the Visigoths under King Wallia in the province of...

 in the 8th century (begun 711) extended over almost the entire peninsula.