This volume investigates the relations that each sovereign entertains with the Church, to which he is joined by a relationship of integration or biunivocal dependence. Such complex and intrinsic connections are at the heart of recurring Christian imperial dynamics and clearly express some of the characteristic features of “derived” or “second” imperiality. Deeply rooted in biblical and historical examples, such as those of David, of the Moses/Aaron couple, of Constantine, of Theodosius, of Justinian, this...