small Saharan oases and to link them into regular trans-Saharan caravan routes terminating at Tlemcen, beginning a process that would determine Tlemcen's historical role for almost all of the next millennium. In the late 8th century a settlement named Agadir existed on the site of former Roman Pomaria. Idris I founded a congregational mosque here, the Great Mosque of Agadir, circa 790 (no longer extant).

In 1081