When did Benin abandon Marxism-Leninism?

Benin officially abandoned Marxism-Leninism as its state ideology in December 1989.12

President Mathieu Kérékou, who had implemented these policies beginning in 1974, announced the shift during a period of significant political and economic turbulence. This decision marked the beginning of a transition toward democratization, which included the adoption of a new constitution in 1990 that guaranteed human rights and established a multiparty republic. Benin was the first African country to undertake such a transition away from Marxism-Leninism in the post-Cold War era.132