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| | Sudan states |
 | | Note: In 1991, The Sudan adopted a federal system with nine states, matching the nine provinces that had existed from 1948 to 1973 (Bahr al-Ghazal, Blue Nile, Darfur, Equatoria, Kassala, Khartoum, Kordofa, Northern, and Upper Nile). |
 | | 14 Feb 1994 Divided into Buhairat, Northern Bahr al-Ghazal |
 | | 14 Feb 1994 Western Bahr al Ghazal state. |
| www.worldstatesmen.org /Sudan_prov.html (566 words) |
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