In 1958 the African Convention and the African Socialist Movement (MSA) merged to form the Party of African Regroupment (PRA). 1958 was a common year starting on Wednesday of the Gregorian calendar. ... African Socialist Movement (in French: Mouvement Socialiste Africain) was a political party in French West Africa. ...
Source: Zuccarellli, François. La vie politique sénégalaise (1940-1988). Paris: CHEAM, 1988.
This Convention shall be open for signature immediately after being approved by the Assembly of Heads of State and Government of the Organization of African Unity.
In the case of a State ratifying or acceding to the Convention after the depositing of the fourth instrument of ratification or accession, the Convention shall come into force on the thirtieth day after the deposit by such State of its instrument of ratification or accession.
The original of this Convention of which both the English and the French texts are authentic, shall be deposited with the Administrative Secretary General of the Organisation of African Unity.