The Thesis deals with the historical development of Christian marriage and conversion from the original family ritual to the public ceremony, from secular (state) rituals to the church type of marriage. It describes the beginning of the wedding liturgy at the West and the East. The first part of Thesis deals, except the history of wedding ritual, also with the theology of marriage with selected representatives of the West and the East {--} the Roman Catholic Church and the Orthodox Church of Byzantine type. The wedding ceremonies of both churches are described in detail in other parts of the Thesis. They are subsequently compared with a reference to the similar elements and defining the specific parts. The comparison shows that the substant...