Discoveries at Ribãt da Arrifana offer insight into 12th century Islam

For ten years, archaeologists have been excavating the Islamic convent/fortress near Aljezur, Portugal. recent discoveries include "a mosque, 21 burials and a funerary head stone with an Arabic inscription," all of which have added to the impressive site.

The Ribãt da Arrifana was founded in 1130 by "warrior monk Sufi Ibn Qasi, who made a pact of non conflict with Portugal’s first king, Dom Afonso Henriques, enabling him to conquer the lands between the Mondego and Tejo."