The Urewe culture dominates the African Great Lakes region. It was one of Africa's oldest iron smelting centres (jan 1, 650 BC – jan 1, 550 BC)
Description:
https://en.wikipedia.org/wiki/UreweClist, Bernard. (1987). A critical reappraisal of the chronological framework of the early Urewe Iron Age industry. Muntu. 6. 35-62.
Paul Lane, Ceri Ashley & Gilbert Oteyo (2006) New Dates for Kansyore and Urewe Wares from Northern Nyanza, Kenya, AZANIA: Journal of the British Institute in Eastern Africa, 41:1, 123-138, DOI: 10.1080/00672700609480438
Added to timeline:
Date:
jan 1, 650 BC
jan 1, 550 BC
~ 100 years