Whites ignited the ethnic conflict in those regions though
Here's a list that happened with zero European influence I believe
Mfecane/Difaqane Wars (Zulu expansions against Nguni, Sotho, and other groups, early 19th century)
Shaka Zulu's Massacres of Swazi and Ndwandwe Peoples (1810s-1820s)
Dingane Zulu's Executions of Hlubi and Nyawo Clans (1830s)
Senzangakhona's Purges in Zulu Kingdom (late 18th century)
Mpande Zulu's Campaign Against Dingane's Faction (1838-1840)
Mzilikazi Ndebele's Raids on Sotho and Tswana Communities (1820s-1830s)
Great Trek-Era Conflicts Between Matabele and Griqua Peoples (1830s)
Ethiopian Emperor Susenyos's Forced Conversion Massacres of Agaw and Sidama (1620s-1630s)
Lebna Dengel Ethiopian Wars Against Agau and Somali Clans (early 16th century)
Songhai Empire's Conquests and Mass Killings of Mossi and Dogon (late 15th-early 16th century)
Askia Muhammad's Purges of Soninke and Mandinka in Songhai (1490s-1520s)
Mali Empire's Sack of Timbuktu and Tuareg Massacres (1430s)
Bornu Empire's Wars Against Kotoko and Sao Peoples (14th-15th centuries)
Kanem-Bornu Conquests and Extermination of Tebu Nomads (12th-13th centuries)
Great Zimbabwe Conflicts with Tonga and Shona Subgroups (13th-14th centuries)
Mapungubwe Kingdom Raids on Khoisan Foragers (11th-12th centuries)
Aksumite Kingdom's Suppression of Beja and Agaw Rebellions (4th-6th centuries)
Nubian Kingdom Massacres of Noba Tribes (4th century)
Bantu Migrations and Genocide of Khoisan Hunter-Gatherers (1st-5th centuries AD)
Kingdom of Kongo Wars Against Teke and Luba Peoples (14th century)
Luba Empire's Expansion Killings of Lunda Clans (16th century)
Lunda Empire Conquests Against Chokwe and Kaonde (17th century)
Buganda Kingdom Purges of Banyoro and Basoga (18th century)
Bunyoro-Iteso Wars and Mass Killings (late 18th-early 19th century)
Dahomey Kingdom's Annual Slave Raids and Sacrifices of Yoruba Captives (17th-19th centuries)
Oyo Empire's Campaigns Against Nupe and Bariba (18th century)
Ashanti Empire Conquests and Massacres of Denkyira and Akyem (late 17th-18th centuries)
Sokoto Caliphate Jihad Massacres of Hausa and Fulani Dissenters (early 19th century)
Igala Kingdom Wars Against Idoma and Ebira (18th century)
Benin Kingdom Punitive Expeditions Against Esan and Afemai (16th-18th centuries)