to demic diffusion, driven by the so-called 'Bantu Expansion'. It is 8 considered the primary
linguistic, cultural, and demographic process in Holocene sub-9 Saharan Africa. A key
region in reconstructions of this process is the western Congo 10 Basin. This paper
presents, for the first time, a coherent picture of the archaeological 11 settlement history in
the western and northern Congo Basin, uncovered by fieldwork 12 of the late 1980s along …