Transfigured in glory (3), the Son of Man has received kingship and dominion (1, Ps). He will come again in glory (2). Dn 7:9-10, 13-14; Ps 97:1-2, 5-6, 9; 2 Pt 1:16-19; Mk 9:2-10 Celebrated by the 5th c. East Syrians, this feast was inserted into the general calendar in 1457 by Pope Callistus III to celebrate the defeat, announced in Rome on 6 August, of the Turks at Belgrade.