Denis Sassou-Nguesso vs Valentine Strasser

Denis Sassou-Nguesso, a military officer, became President of the People's Republic of the Congo after a coup that ousted President Joachim Yhombi-Opango. He led the Congolese Party of Labour (PCT).

Under pressure, Sassou-Nguesso's government introduced multi-party politics, ending the one-party Marxist-Leninist system. A national conference was held in 1991, leading to a transition to civilian rule.

Sassou-Nguesso lost the 1992 presidential election to Pascal Lissouba. This was the first multi-party election in the country since independence, and Sassou-Nguesso peacefully handed over power.

Sassou-Nguesso's militia, backed by Angolan troops, captured Brazzaville, overthrowing President Pascal Lissouba. This ended a four-month civil war and returned Sassou-Nguesso to the presidency.

Sassou-Nguesso won the 2002 presidential election with over 89% of the vote. The election was boycotted by major opposition candidates and criticized as neither free nor fair.

Sassou-Nguesso's government held a constitutional referendum that removed the age limit and two-term limit for the presidency. The change allowed him to run for re-election in 2016 and potentially remain in power.

Strasser led a military coup that overthrew President Joseph Momoh, becoming head of state at age 25. He established the National Provisional Ruling Council and became the world's youngest head of state.

Strasser was overthrown by his own deputy, Julius Maada Bio, and forced into exile. His rule ended after four years of military governance, marked by civil war and international isolation.