The National Conference in Benin, held in February 1990, was a pivotal event that significantly impacted the country's political landscape. This conference marked the beginning of a transition from a Marxist-Leninist regime to a democratic government. Here are some key impacts of the conference:

1. Transition to Democracy: The conference led to the establishment of a multi-party democracy in Benin. It was one of the first of its kind in Africa and set a precedent for other countries on the continent.

2. End of Marxist-Leninist Rule: The conference effectively ended the rule of President Mathieu Kérékou, who had been in power since 1972 under a Marxist-Leninist government. It paved the way for political pluralism and the drafting of a new constitution.

3. Formation of a Transitional Government: A transitional government was formed to oversee the transition to democracy. This included organizing free and fair elections, which were held in 1991.

4. Inspiration for Other African Nations: The success of the National Conference in Benin inspired similar movements in other African countries, leading to a wave of democratization across the continent in the 1990s.

5. Peaceful Political Change: The conference is noted for its peaceful approach to political change, avoiding the violence that often accompanies such transitions.

Overall, the National Conference in Benin was a landmark event that not only transformed the political system in Benin but also had a broader influence on democratic movements in Africa.