Johannesburg World Cities Research Network. In 2011, the population of the city of Johannesburg was 4,434,827, making it the most populous city in South Africa. In the same year, the population of Johannesburg's urban agglomeration was put at 7,860,781. The land area of the municipal city () is large in comparison with those of other major cities, resulting in a moderate population density of . The city was established in 1886 following the discovery of gold on what had been a farm. The city is commonly interpreted as the modern day El Dorado due to the extremely large gold deposit found
Roderick S. McCook Roderick S. McCook Commander Roderick Sheldon McCook (10 March 1839 – 13 February 1886) was an officer in the United States Navy. He was a member of the famed family of American Civil War soldiers and sailors, the "Fighting McCooks." Born at New Lisbon, Ohio, McCook was appointed midshipman 21 September 1854. From 1859 to 1861, he cruised off the coast of Africa, searching for and capturing slavers. During the Civil War, he served in "Minnesota" (1861), "Stars and Stripes" (1862), and "Canonicus" (1863–65). As executive officer of latter ship, he participated in operations along the James River and in