The Roman Empire reached many distant places, from China, to Norway, to the Canary Islands. But how deeply did they journey in Sub-Saharan Africa? SOURCES: Contacts Between West Africa and Roman North Africa: Archaeometallurgical Results from Kissi, Northeastern Burkina Faso, Fenn et al The Cambridge History of Africa vol II, Donnelly Fage et al Natural History, Pliny Roman History, Cassius Dio