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|History of Portugal|
The Al-Gharb Al-Andalus (Arabic: الأندلس لغرب, trans. al-Gharb al-ʼAndalus; "The West of Al-Andalus"), or just Al-Gharb (Arabic: الغرب, trans. al-Gharb; "The West"), was the name given by the Muslims of the Iberia to the modern region of Algarve in modern-day Portugal, during their rule of the territory, from 711 to 1249. This period started with the fall of the Visigothic kingdom after Tariq ibn-Ziyad's invasion of Iberia and the establishment of the Umayyad control in the territory. During this period of Muslim presence several scientific improvements were made, namely agricultural and astronomical. These areas would be vital for Portugal's 15th century expansion. The Gharb had a population of about 0.5 million people.
After a small civil war in the already Christianized Visigothic Kingdom in Hispania, King Roderic (Rodrigo in Portuguese and Spanish) had a strong position in the peninsula. His opponents, exiled in Ceuta, asked Musa ibn Nusair, Umayyad Muslim governor and general, for help. The initially skeptical general sent an experimental expedition mainly consisting of Moors from North and West Africa, led by Tariq ibn Ziyad, thus initiating the Muslim conquest of Iberia. Tariq utterly defeated Roderic's Visigothic army in the Battle of Guadalete, and soon after captured Toledo and Córdoba. With Tariq's success, Musa joined the expedition and established himself as governor of the new territories.
By 714 Évora, Santarém and Coimbra had been conquered, and two years later Lisbon was in Muslim control. By 718 most of today's Portuguese territory was under Umayyad rule. The Umayyads eventually stopped in Poitiers but Muslim rule in Iberia would last until 1492 with the fall of the Kingdom of Granada.
Emirate and the Caliphate
First taifa period
The first Taifa of Badajoz, ruled by the Aftasid dynasty, existed from 1009 to 1094. The Taifa of Lisbon lasted from 1022 to 1093, when the city was conquered by Alfonso VI of León and Castile. The first Taifa of Mértola lasted from 1033 to 1044, when it became part of the Taifa of Seville. The Taifa of Santa Maria do Algarve lasted from 1018 to 1051, when it became part of the Taifa of Seville. The first Taifa of Silves lasted from 1040 to 1063, when it became part of the Taifa of Seville. The Taifa of Santarém lasted from 1044 to 1045, when it became part of the Taifa of Badajoz.
Second taifa period
There were three taifas in what is now Portugal after the fall of the Almoravid dynasty: the second Taifa of Mértola, which lasted from 1144 to 1151, the second Taifa of Silves, which lasted from 1144 to 1151 and the Taifa of Tavira which lasted from 1146 to 1150. All three taifas became part of the Almohad Caliphate in 1151.