 Since then the vicariate included the Orange River Colony, Griqualand-West and Bechuanaland, and after the later Anglo-Boer war all this territory came under British colonial rule.The whole vicariate lay between the Tropic of Capricorn and the southernmost point of the Orange River Colony, and between 22° and 30° East Longitude.Before the discovery of diamonds the white population was practically composed of Protestant Boers.