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 between countries, including a dispute between Germany and Spain over the Caroline Islands. The Lateran Treaty of 1929 and the founding of the Vatican City State was not followed by any great immediate increase in the number of states with which the Holy See had official relations. This came later, especially after the Second World War. The Holy See, as a non-state sovereign entity and full subject of international law, started establishing diplomatic relations with sovereign states in the 15th century. It had the territory of the States of the Church under its direct sovereign rule since centuries before that