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.
Holy See–European Union relations City state, which is tied to the mission of the Holy See, has little to do with the objectives of the EU Treaty. Thus EU membership is not discussed, even though it is in the heart of an EU member state. Holy See–European Union relations Holy See–European Union relations is the relationship between the European Union (EU) and the Holy See (or Vatican City). This is framed by the Holy See's geography (within an EU state capital) while being unable to join. According to the EU's Copenhagen criteria which define what states are eligible to join the EU, a candidate