In July 1999 SSDN Commander Tito Biel, who had been given ammunition by the SPLA, launched an attack on Paulino Matiep's forces and pushed them back almost to their headquarters in Mankien.
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After the civil war, a team found that 4% of people around Mankien were blind, and almost 8% more had poor vision, mainly due to untreated diseases such as Trachoma.
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In April 2011 the town was briefly occupied by forces loyal to the renegade general Peter Gadet before being re-taken by troops of the SPLA.