Wadai

historical African kingdom east of Lake Chad and west of Darfur, in what is now the Ouaddaï (q.v.) region of eastern Chad. It was founded in the ... [2 related articles]
Found on http://www.britannica.com/eb/a-z/w/1

Wadai

Wadai (wädī') , former sultanate, N Chad, E of Lake Chad. Founded in the 16th cent., it was from time to time loosely subject to Darfur. Toward the end of the 19th cent., Wadai came under the influence of the Sanusi. The sultanate was gradually taken over (1903–13) by the French...
Found on http://www.infoplease.com/ce6/world/A0851234.html
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