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   Qalʿat ibn Salama
   Qalʿat ibn Salama (قلعة ابن سلامة) is a fortress near Tihert (present-day Tiaret, Algeria). This place is famous to have sheltered Ibn Khaldun for four years, between 1375 and 1379, and in this place where he began composing his Muqaddimah (known as Prolegomenon in Greek). This fortres...
   Found op http://en.wikipedia.org/wiki/Qalʿat_ibn_Salama
   
   

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