Politics of Benin century until the colonial period, the Kingdom of Dahomey (whose borders encompassed more than present day Benin) was ruled by an "Oba". The French were the colonial power from 1892 to 1960, when independence was finally achieved. Between 1960 and 1972, a series of military coups in Benin (known until 1975 as the Republic of Dahomey) brought about many changes of government. The last of these brought Major Mathieu Kérékou to power as the head of a regime professing strict Marxist-Leninist principles. The Revolutionary Party of the People of Benin (PRPB) remained in complete power until the beginning of the
Republican Party of Dahomey which was to be the Dahomeyan branch of the African Regroupment Party. However, internal disagreements led to the parties splitting back into their original forms in 1959. The PRD also won the 1959 elections, despite receiving fewer votes than the Dahomeyan Democratic Union (UDD). Due to accusations of fraud, it later agreed to give nine seats to the UDD, but remained the largest party in the Assembly. In February 1960 it was transformed into the Dahomey Nationalist Party ("Parti des Nationalistes du Dahomey", PND) after admitting federalists led by Émile Derlin Zinsou. In November 1960 the PND agreed to merge