Mezue ahịrịokwu na-esonụ: Iwu banyere Ọganihu Akụ na ụba, Ọganihu Ọha na Nchịkwa Ego (, ), nke a maara nke ọma dị ka Iwu Unitary ("Loi unique" ma ọ bụ "Eenheidswet"), bụ iwu Belgian nke a kwadoro na 1961. Iwu ahụ webatara usoro mmechi ego, nke ezubere iji belata nnukwu ụgwọ gọọmentị Belgium na ịzaghachi nsogbu nke ụkọ ego.
nnwere onwe nke Belgian Congo na 1960. Ọ bụ ọchịchị Christian Social Party nke Gaston Eyskens kwadoro ya.