 Dacko threw out his political rivals, including former Prime Minister and Mouvement d'évolution démocratique de l'Afrique centrale (MEDAC), leader Abel Goumba, whom he forced into exile in France.With all opposition parties suppressed by November 1962, Dacko declared MESAN as the official party of the state.On 31 December 1965, Dacko was overthrown in the Saint-Sylvestre coup d'état by Colonel Jean-Bédel Bokassa, who suspended the constitution and dissolved the National Assembly.