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 weakened the authority of the Holy See throughout much of Europe. Following the French Revolution, the Papal states was briefly occupied as the "Roman Republic" in 1798–1799 as a sister republic of the First French Empire under Napoleon, before the territority was reestablished. Notwithstanding, the Holy See was represented in and identified as a "permanent subject of general customary international law vis-à-vis all states" in the Congress of Vienna in 1814-1815. The Papal States was recognised under the rule of the Papacy and largely restored to their former extent. Despite the Capture of Rome in 1870 by the Kingdom of