Ripon Falls construction of Owen Falls Dam was completed, effectively extending Lake Victoria and submerging Ripon Falls. (See p. 694.) Ripon Falls Ripon Falls at the northern end of Lake Victoria in Uganda was formerly considered the source of the river Nile. In 1862–3 John Hanning Speke was the first European to follow the course of the Nile downstream after discovering the falls that his intuition had marked as the source of the Nile. The water from Ripon Falls falls into a narrow opening and that is where some people believe the River Nile starts. He named the falls after George Robinson,
John Hanning Speke Grant reached Gondokoro in Southern Sudan, where he met Samuel Baker and his "wife". (Her name was Florence von Sass and she had been rescued by Baker from a slave market in Vidin during a hunting trip in Bulgaria.) Speke had expected to meet John Petherick and his wife Katherine at Gondokoro, as they had been sent by the RGS south along the Nile to meet Speke and Grant. However the Pethericks were not there but on a side expedition to trade ivory, as they had run out of funds for their expedition. This caused some hard feelings between Pethrick