Ahmad 1 | Prosopography of the Byzantine Empire |
| Floruit | M IX |
| Religion | Muslim |
| Ethnicity | Arab |
| Locations | Ghalyanah (Fortress of, Sicily); Yanah (Castle of, Sicily); Sicily |
| Textual Sources | Baladhuri, al-, Kitab futuh al-Buldan, tr. P. K. Hitti, The Origins of the Islamic State (London, 1916, reprint Beirut, 1966) (history) |
Ahmad ibn Muhammad ibn al-Aghlab (Ahmad 1) reduced the Yanah castle and the Ghalyanah fortress in Sicily during the caliphate of al-Mutawakkil 1: Baladhuri, tr. Hitti, p. 375.
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