Principality of Orange Principality of Orange The Principality of Orange () was, from 1163 to 1713, a feudal state in Provence, in the south of modern-day France, on the east bank of the river Rhone, north of the city of Avignon, and surrounded by the independent papal state of Comtat Venaissin. It was constituted in 1163, when Holy Roman Emperor Frederick I elevated the Burgundian County of Orange (consisting of the city of Orange and the land surrounding it) to a sovereign principality within the Empire. The principality became part of the scattered holdings of the house of Orange-Nassau from the time that
History of science and technology in Africa Ezana's Stele. Later, during the Zagwe Dynasty Churches carved out of solid rocks like Church of Saint George at Lalibela. In southern Africa one finds ancient and widespread traditions of building in stone. Two broad categories of these traditions have been noted: 1. Zimbabwean style 2. Transvaal Free State style. North of the Zambezi one finds very few stone ruins. Great Zimbabwe, Khami, and Thulamela uses the Zimbabwean style. Tsotho/Tswana architecture represents the Transvaal Free State style. ||Khauxa!nas stone settlement in Namibia represents both traditions. The Kingdom of Mapungubwe (1075–1220) was a pre-colonial Southern African state located at the confluence