16th century: Ouaddai Kingdom (west of Darfur) emerges. Kingdom of Kaffa (near Ethiopia) makes Christianity its state religion. Burundian state emerges. First records of the kingdom of Ndongo (OTL N Angola). 1510s: Due to rising prices for slaves, Portuguese slave traders expand their "business" into the Congo. 1513: Kingdom of Benin sends an ambassador to Portugal. 1516: Muslim troops attack and overrun Ethiopia, ruling it for about two generations. Since ~1570: Ashanti confederacy starts to become important, also thanks to its gold riches. Islam made state religion in Darfur (earlier than OTL).