Archdiocese of Russian Orthodox churches in Western Europe Since its reception by the Ecumenical Patriarch in 1931, the Exarchate has grown to roughly 100 parishes (more than 40 of which are in France), served by about 66 priests who care for the needs of an increasingly multi-cultural flock, numbering roughly 100,000 strong. The Exarchate also has one monastery for women, the of the Veil of Our Lady (Bussy-en-Othe, Burgundy, France), which publishes translations of liturgical materials. Communities of the Exarchate, the largest Orthodox group in France where it is centered, range throughout Western Europe, including Belgium, the Netherlands, Germany, Norway, Denmark, Sweden, Italy and Spain. The Exarchate has
Christianity in Europe its state religion in AD 301. The oldest state-built church in the world, Etchmiadzin Cathedral, was built between AD 301-303. It is the seat of the Armenian Apostolic Church. The Roman Empire officially adopted Christianity in AD 380. During the Early Middle Ages, most of Europe underwent Christianization, a process essentially complete with the Baltic Christianization in the 15th century. The emergence of the notion of "Europe" or the "Western World" is intimately connected with the idea of "Christendom", especially since Christianity in the Middle East was marginalized by the rise of Islam from the 7th century, a constellation that