A long period of missionary activities, as well as the support of the Carolingian Empire, meant that by the year 1000 AD, Christianity was again the dominant religion in Europe. A division occurred in 1054 AD, however, when the Church broke up into a Catholic western part and an Orthodox eastern part. | A long period of missionary activities, as well as the support of the Carolingian Empire, meant that by the year 1000 AD, Christianity was again the dominant religion in Europe. A division occurred in 1054 AD, however, when the Church broke up into a Catholic western part and an Orthodox eastern part. |