Milongo's government was dominated by members of the Lari and Bakongo ethnic groups.
Kituba is spoken as the primary language in the large Bakongo cities of Moanda, Boma, Matadi, Pointe-Noire, Dolisie, Nkayi, and Brazzaville and also in large non-Bakongo cities of Bandundu, Kikwit, and Ilebo.
In 1988 also Aleksandra and Cyprian Kosiński contributed to the museum's African collection with sculptures, masks and royal costumes of the Congolese tribes Bakuba, Bakongo, Chokwe.
Historically, this drink was formulated by Bakongo people, in Bas-Congo province, to soothe discomfort caused by dysentery and hemorrhoid.