Origin of the Eucharist the "Didache", "1 Clement" and Ignatius of Antioch provide glimpses of what Christians were doing in their eucharists. Later sources, Tertullian and the "Apostolic Tradition", offer some details from around the year 200. Once the Church "went public" after the conversion of Constantine the Great in the second decade of the fourth century, it was clear that the Eucharist was established as a central part of Christian life. Contemporary scholars debate whether Jesus meant to institute a ritual at his Last Supper; whether the Last Supper was an actual historical event in any way related to the undisputed early "Lord's
Eucharist belief in the Real Presence of Jesus Christ in the Eucharist, which is an essential Article of Faith of the Catholic Church. Within Eastern Christianity, the Eucharistic service is called the "Divine Liturgy" (Byzantine Rite) or similar names in other rites. It comprises two main divisions: the first is the "Liturgy of the Catechumens" which consists of introductory litanies, antiphons and scripture readings, culminating in a reading from one of the Gospels and, often, a homily; the second is the "Liturgy of the Faithful" in which the Eucharist is offered, consecrated, and received as Holy Communion. Within the latter, the