Republic of the Congo–Holy See relations Republic of the Congo–Holy See relations Republic of the Congo–Holy See relations refers to the current relations between the Republic of the Congo and the Holy See. The Catholic Church has considerable influence in the Republic of the Congo as about half of the population identify as Roman Catholic. Although the two states established relations in February 1963, their cooperation has only started to increase recently, with their first major bilateral agreement being signed in early 2017. The Holy See maintains an apostolic nunciature in Brazzaville, while Congo does not yet have any diplomatic or consular mission to Vatican City.
Foreign relations of the Holy See time. Currently it has the territory of the State of the Vatican City under its direct sovereign rule. In the period of 1870-1929 between the annexation of Rome by the Kingdom of Italy and the ratification of the Lateran Treaty establishing the current Vatican City State, the Holy See was devoid of territory. In this period some states suspended their diplomatic relations, but others retained them (or established such relations for the first time or reestablished them after a break), so that the number of states that did have diplomatic relations with the Holy See almost doubled (from 16 to