In his Tricennial Orations for Constantine (in 336), Eusebius emphasized the imperial mapping of the site of Calvary and the Sepulchre when he commented on the newly finished basilica that "this you have put round the Sepulchre that bears witness to the immortal life, impressing on the heavenly logos of God the imperial seal.
On Christ's Sepulchre," In Praise of Constantine: A Historical Study and New Translation of Eusebius" Tricennial Orations, trans.
47) Eusebius' other works which discuss the historical role of Constantine, the Church History and the Tricennial
Oration, also make it clear that he was much more than the divinely appointed ruler of the Empire, the soter or the nomos empsychos of hellenistic philosophy or the sacral king of the Jewish tradition.
In the Tricennial
Orations as well as the Life of Constantine, Eusebius understandably tied his emperor as closely as possible to a divine, omnipotent Christ--the demiurge of the new Christian empire working harmoniously with the demiurge of the entire universe.