| A | B |
|---|
| Dingo Cam | Portuguese navigator and explorer who discovered the mouth of the Congo River. |
| Pierre Savorgnan de Brazza | French explorer who signed treaties with local rulers, placing the territory under French protection. |
| Abbe Fulbert Youlou | The first premier who was overthrown in 1963. |
| Alphonse Massamba-Debat | Replaced Abbe Fulbert Youlou in office. |
| Marien Ngouabi | In 1968 a group, organized by the French Army, overthrew Massamba-Debat and replaced him as head of the state. |
| Gen Joachim Yhombi-Opango | Replaced Marien Ngouabi when he was assassniated. |
| Col. Denis Sassou-Nguesso | Follwed Yhombi-Opango as president and signed a treaty of cooperation and friendship with the USSR in 1981. Also reelected twice as president. |
| Pascal Lissouba | Beat Sassou- Nguesso in the 1992 presidential election. |
