But the circumnavigation of the lake by Gessi Pasha (1876), and by Emin Pasha in 1884, showed that Baker had been deceived as to the size of the lake.
The efforts to destroy the slave trade in the Ghazal province led (1879-1881) to the further exploration of the river and its tributaries by Gessi Pasha, the Italian governor under General C. G.
Gessi Pasha was imprisoned in it for some six weeks.
In the same year Darfur and Harrar were annexed, and in 1877 Gordon became governor-general of the Sudan, where, with the valuable assistance of Gessi Pasha, he labored to destroy the slave trade and to establish just government.
Chippendall, in 1875, and was named after a chieftain who, when visited by Gessi Pasha (on the occasion of that officer's circumnavigation of Albert Nyanza), ruled the surrounding district as a vassal of Kabarega, king of Unyoro.
The crushing of Suliman was entrusted by Gordon to Romolo Gessi (1831-1881), an Italian who had previously served under Gordon.
Gessi, after a most arduous campaign (1878-79), in which he displayed great military skill, defeated and captured Suliman, whom, with other ringleaders, he executed.
Having conquered the province Gessi was made governor of the Bahr-el-Ghazal and given the rank of pasha.
At this time the high European officials in the Sudan, besides Gessi, included Emin Pasha - then a bey only - governor of the Equatorial Province since 1878, and Slatin Pasha - then also a bey - governor of Darfur.
Gessi, who had most successfully governed his province, found his position under Raouf intolerable, resigned his post in September 1880 and was succeeded by Frank Lupton, an Englishman, and formerly captain of a Red Sea merchant steamer, who was given the rank of bey.
Birkbeck Hill (4th ed., 1885), being extracts from Gordon's diary, 1874-1880; Seven Years in the Soudan, by Romolo Gessi Pasha (1892); and Der Sudan unter dgyptischer Herrschaft, by R.
He then returned to Khartum, and in 1879 went again into Darfur to pursue the slave traders, while his subordinate, Gessi Pasha, fought them with great success in the Bahr-el-Ghazal district and killed Suleiman, their leader and a son of Zobeir.