top 5 most powerful kingdoms historically are

In Nigeria, the top 5 most powerful kingdoms historically are:

1. The Benin Kingdom: Known for its advanced art and military prowess.

2. The Oyo Empire: Famous for its powerful cavalry and governance system.

3. The Kanem-Bornu Empire: A major medieval Islamic state known for its scholarly achievements.

4. The Nri Kingdom: Considered the spiritual heart of the Igbo people.

5. The Ife Kingdom: Known for its impressive bronze and terracotta sculptures.

History is wealth.