Baptisms, marriages, first communions, and deaths formed the principal occasions for striking these private medals. In Italy and France, it is often served at weddings, baptisms and first communions. Its member communions include Mainline Protestant, Orthodox, African-American, Evangelical and historic Peace churches. Christianity has denominational families (or movements) and also has individual denominations (or communions). Many churches or communions of churches identify singularly or collectively as the authentic church. During the mid-1960s, there were 32 churches in the region, representing seven Christian communions. Practice in the Eastern Orthodox Church for converts from other communions is not uniform. The primary theological difference between the two communions is the differing Christology. Orthodox communions comprise 12% of the world's Christians. The Mozarabic Rite has been of interest to non-Catholic communions as well. The statement is an attempt to reconcile a historical theological divide between the two communions. Some of the largest Calvinist communions were started by 19th- and 20th-century missionaries. This will require intentional conversations with the leadership of all faith communions and Christian organizations. He is revered as a saint in various Christian communions. Obama added that Springsteen's concerts were not just rock-and-roll concerts, but "communions".