Algeria–Holy See relations the Holy See and allowed Roman Catholic priests to continue ministering to the remaining Catholics in Algeria. Although Islam is the state religion of Algeria, the Holy See has maintained a comparatively good relationship with the Algerian authorities, with Léon-Étienne Duval being famously recognized as the "bishop of Muslims" after the departure of French colonists. The Algerian state has sought to clearly distinguish between the Catholic religion, which is licit in Algeria with limitations to proselytism, and between Evangelical sects, which are officially forbidden and legally repressed by state powers. However, since a 2006 law limited religious worship to government-approved
Foreign relations of the Holy See receive nuncios as diplomatic representatives of full rank, and where, in accordance with the decision of the 1815 Congress of Vienna, the Nuncio was not only a member of the Diplomatic Corps but its dean, this arrangement continued to be accepted by the other ambassadors. With the First World War and its aftermath the number of states with diplomatic relations with the Holy See increased. For the first time since relations were broken between the Pope and Queen Elizabeth I of England, a British diplomatic mission to the Holy See was opened in 1914. The result was that, instead of