Measuring 6,695 kilometers (4160 miles), the Nile is the longest river in the world, with one tributary, the White Nile, starting in South Sudan and the other, the Blue Nile, in Ethiopia.
White Nile State is one of the 18 wilayat or states of Sudan. It has an area of 39,701 km2 and an estimated population of approximately 2,493,880 people. Since 1994 Rabak is the capital of the state; ...